How are matter, mass, and volume related?

Matter is anything that has mass and volume. Mass is the amount of matter in a substance. Volume is the amount of space matter takes up.

Matter is the amount of space an object occupies, while mass is a measure of the amount of substance in an object. Volume is a measure of the gravitational force acting on an object.

Matter is the amount of substance in an object, mass is a measure of the gravitational force acting on the object, and volume is the measure of the space occupied by the object.

Matter is the measure of the space occupied by an object, mass is the amount of substance in the object, and volume is the measure of the gravitational force acting on the object.

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

An element is a compound made up of two or more different types of atoms bonded together.

An element is a mixture of various chemicals that form a homogeneous substance.

An element is a type of molecule that is commonly found in nature.

An atom is the smallest indivisible unit of matter, consisting of a nucleus made up of protons and neutrons, surrounded by electrons.

An atom is a small unit of matter that is composed of electrons, protons, and neutrons, held together by chemical bonds.

An atom is a subatomic particle that carries a positive charge and is located in the nucleus of an atom.

An atom is a basic building block of life that can only be observed under a microscope.

What is the difference between a mixture and matter that can be identified as pure substances?

A mixture is a type of matter that consists of two or more pure substances physically combined, and pure substances are substances with uniform composition and distinct properties.

A mixture is a pure substance that cannot be separated into its individual components, while pure substances can be separated into different substances.

A mixture is a substance with uniform composition and distinct properties, while pure substances are mixtures of different substances.

A mixture and pure substances are the same because they both refer to materials with consistent properties and composition.

How are elements represented on the periodic table of elements?

Elements on the periodic table are represented by their atomic number and chemical symbol. The atomic number corresponds to the number of protons in the nucleus, and the chemical symbol is a one- or two-letter abbreviation for the element.

Elements on the periodic table are represented by their chemical formulas, which are unique combinations of symbols and numbers representing their atomic structure.

Elements on the periodic table are represented by their physical properties, such as color and density, arranged in a grid.

Elements on the periodic table are represented by their atomic weight and the number of electrons in their outermost energy level.

What is the difference between an element and a compound?

An element is a pure substance composed of atoms with the same atomic number, while a compound is a pure substance composed of two or more different types of atoms bonded together in fixed ratios.

An element is a substance composed of two or more different types of atoms, while a compound is a pure substance made up of only one type of atom.

An element is a substance that cannot be broken down into simpler substances by chemical means, while a compound is a mixture of different elements.

An element is a type of molecule, while a compound is a subatomic particle found in the nucleus of an atom.

Which elements are the primary components of the lithosphere?

The primary components of the lithosphere are silicon and oxygen, which combine to form silicate minerals.

The primary components of the lithosphere are oxygen, nitrogen, and carbon.

The primary components of the lithosphere are metals and non-metals.

The primary components of the lithosphere are hydrogen and helium, which are the most abundant elements in the Earth's crust.

Which elements are the primary components of the biosphere?

The primary components of the biosphere are hydrogen, oxygen, carbon, and nitrogen, which are essential for life.

The primary components of the biosphere are oxygen, nitrogen, and carbon dioxide.

The primary components of the biosphere are metals and minerals.

The primary components of the biosphere are rare and exotic elements that support the diversity of life on Earth.

Which elements are the primary components of the hydrosphere?

The primary components of the hydrosphere are hydrogen and oxygen, which combine to form water (H2O).

The primary components of the hydrosphere are helium, nitrogen, and carbon dioxide.

The primary components of the hydrosphere are minerals and metals.

The primary components of the hydrosphere are silicon and sulfur, which are abundant in the Earth's oceans.

Which elements are the primary components of the atmosphere?

The primary components of the atmosphere are nitrogen and oxygen, which together make up the majority of Earth's atmosphere.

The primary components of the atmosphere are nitrogen and carbon dioxide.

The primary components of the atmosphere are metals and minerals.

The primary components of the atmosphere are hydrogen and helium, which are the lightest elements and form the upper layers of the atmosphere.

What does a chemical formula tell you?

A chemical formula tells you the type and number of atoms or ions in a compound, providing information about its chemical composition.

A chemical formula tells you the physical state of a substance at a given temperature and pressure.

A chemical formula tells you the number of electrons in an atom.

A chemical formula tells you the atomic number of an element.

What role do electrons play in the bonding of elements?

Electrons play a crucial role in chemical bonding by forming and sharing electron pairs between atoms, which leads to the formation of chemical compounds.

Electrons play a role in determining the physical properties of elements but are not involved in chemical bonding.

Electrons play a role in transferring heat between elements but do not contribute to chemical bonding.

Electrons play a role in determining the color of elements but are not directly involved in chemical bonding.

What are the properties of a compound?

The properties of a compound are a combination of the properties of its constituent elements, and compounds have distinct physical and chemical properties different from those of the individual elements.

The properties of a compound are determined by the properties of its constituent elements but do not differ from those of the individual elements.

The properties of a compound are unrelated to the properties of its constituent elements, and compounds have unique properties that cannot be predicted.

The properties of a compound are solely determined by the properties of its electrons and protons and are unrelated to the properties of its constituent elements.

How does knowing types of acids and bases assist in determining the properties of a compound?

Knowing the types of acids and bases is important because it allows you to predict the chemical reactivity and behavior of a compound, as well as its pH and other related properties.

Knowing the types of acids and bases is not relevant to determining the properties of a compound.

Understanding the types of acids and bases can help predict the color and odor of a compound, but it does not provide information about other properties.

Knowledge of the types of acids and bases is only useful for understanding the taste of a compound and is not related to its other properties.

A mixture is a combination of two or more substances in which each substance retains its individual properties, and the substances are physically combined.

A mixture is a pure substance composed of a single type of element.

A mixture is a substance that cannot be separated into its individual components by physical means.

A mixture is a compound made up of two or more different types of atoms bonded together.

What are different types of mixtures, and how do they differ?

Different types of mixtures include homogeneous and heterogeneous mixtures. They differ in the uniformity of their composition, with homogeneous mixtures having a uniform composition, while heterogeneous mixtures have uneven composition and can be visually distinguished.

Different types of mixtures include compounds and elements, and they differ in their chemical composition and bonding.

There are no different types of mixtures; mixtures are all the same.

Different types of mixtures include solid, liquid, and gas mixtures, which differ in their physical states. Solid mixtures have a fixed shape, liquid mixtures flow and take the shape of their container, and gas mixtures completely fill the container.

How is a solution a special type of mixture?

A solution is a special type of mixture in which the components are uniformly and completely mixed at the molecular level. It is characterized by solute particles that dissolve in a solvent, resulting in a homogeneous and transparent mixture.

A solution is not a special type of mixture; it is a distinct category of matter with properties different from mixtures.

A solution is a mixture in which the components are not evenly distributed and do not dissolve in each other.

A solution is a type of mixture that is always heterogeneous and characterized by distinct layers of components.

What is the difference between an acid and a base?

The difference between an acid and a base lies in their chemical properties. An acid donates protons (H+ ions) in a chemical reaction, while a base accepts protons or donates hydroxide ions (OH-) in a reaction.

There is no difference between an acid and a base; they are both the same type of chemical substance.

An acid is a substance that tastes sour, while a base is a substance that tastes bitter.

An acid is a solid substance, while a base is a liquid substance.

What is the pH scale, and how is it used to characterize an acidic or basic solution?

The pH scale is a logarithmic scale that measures the concentration of hydrogen ions (H+) in a solution. Solutions with a pH less than 7 are acidic, while solutions with a pH greater than 7 are basic. A pH of 7 is neutral.

The pH scale is a measure of temperature, and it is used to determine the heat of a solution. A higher pH indicates a higher temperature, while a lower pH corresponds to a lower temperature.

The pH scale is a measure of pressure in a solution, and it is used to determine the concentration of gases. An acidic solution has low pressure, while a basic solution has high pressure.

The pH scale is a measure of a solution's density, and it is used to determine the weight of substances in the solution. An acidic solution is denser than a basic solution.

How is a strong acid or base distinguished from a weak acid or base?

A strong acid or base is characterized by its ability to completely dissociate in water, producing a high concentration of ions. In contrast, a weak acid or base only partially dissociates, resulting in a lower concentration of ions in the solution.

A strong acid or base is distinguished from a weak acid or base based on its color, where strong acids and bases have bright colors, while weak acids and bases are colorless.

The distinction between a strong acid or base and a weak acid or base is based on the smell they produce, with strong acids and bases having a pungent odor, while weak ones are odorless.

Strong acids and bases are determined by their physical state, where strong ones are typically solids, while weak acids and bases are liquids or gases.

How can compounds be described differently from elements, even though they share a relationship?

Are made of at least two types of matter

Consist of only one type of atom

Are the smallest form of a particle

Water serves as an illustration of a compound. What is the most accurate description that applies to all compounds?

A substance that is made of more than one kind of atom

A substance that cannot be broken down into simpler substances

A material that has a specific density at a specific temperature

A group of atoms that have different abilities when joined together

Naturally, there are 92 elements. How does this connect to the quantity of compounds?

Elements combine in different ways to create many more than 92 compounds.

Because it takes at least two elements to make a compound, there are fewer than 46 kinds.

There are exactly 92 kinds of compounds, one for every kind of element.

The number of compounds constantly increases as we discover new elements.

Elements and compounds share a connection, yet they exhibit distinctions. Unlike compounds, how can elements be best characterized?

Consist of only one type of atom

Are the smallest form of a particle

Are made of at least two types of matter

What is the most accurate way to describe an element?

A substance that cannot be broken down into simpler substances

A pair of atoms that have different abilities when joined together

A material that has a specific shape at a specific temperature

A naturally occurring mineral made of more than one substance

Alexa is working on a paper that compares elements and compounds present in both living and nonliving things. What would be a suitable way for Alexa to accurately depict the connection between elements and compounds?

There is a finite number of elements that can be used to create a multitude of compounds.

Two compounds are required to make one element in natural systems.

Compounds combine in different ways to create many variations of elements.

Every element can be broken down into an infinite number of compounds.

Sean mixed 10 grams of sand with 50 mL of water and 10 grams of salt with 50 mL of water, and then allowed both mixtures to stand for 10 minutes. What distinctions did Sean notice between these two mixtures?

Salt dissolves in the water, but sand does not.

The salt, sand, and water do not mix together.

Mixture 2 can be separated, but Mixture 1 cannot.

Mixture 1 is a solid and a liquid, but Mixture 2 is not.

Elements and compounds share a relationship but possess distinct qualities. How can a compound be best described, unlike elements?

Is made of at least two types of matter

Consists of only one type of atom

Is the smallest form of a particle

Always exists in the gas state of matter

Pure substances encompass elements and compounds. How can an element be distinguished from a compound?

Made of more than one kind of atom

Elements and Compounds / Classifying Compounds and Mixtures

Authored by Austin Ritenour

Science

8th Grade

NGSS covered

Used 6+ times

Elements and Compounds / Classifying Compounds and Mixtures

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53 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the layer of gas surrounding a planet that is held in place by gravity?

Atmosphere

Compound

Lithosphere

Mixture

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the sum of all living matter on Earth?

Biosphere

Hydrosphere

Mass

Volume

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction?

Compound

Lithosphere

Mixture

Acid

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is all the water on Earth’s surface; includes all water sources above and below the surface?

Hydrosphere

Mass

Volume

Base

Tags

NGSS.MS-ESS2-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the cool, rigid, outermost layer of Earth that consists of the crust and the uppermost part of the mantle; broken into pieces or segments called plates?

Lithosphere

Mixture

Acid

Pure Substance

Tags

NGSS.MS-ESS2-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a measure of how much matter is present in a substance?

Mass

Volume

Base

Salts

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a combination of two or more substances that do not chemically combine and can be separated?

Mixture

Acid

Pure Substance

Solution

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Elements and Compounds / Classifying Compounds and Mixtures

What is the layer of gas surrounding a planet that is held in place by gravity?

What is the sum of all living matter on Earth?

What is a new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction?

What is all the water on Earth’s surface; includes all water sources above and below the surface?

What is the cool, rigid, outermost layer of Earth that consists of the crust and the uppermost part of the mantle; broken into pieces or segments called plates?

What is a measure of how much matter is present in a substance?

What is a combination of two or more substances that do not chemically combine and can be separated?

What is a measure of the space that matter occupies?

What is a compound that produces hydrogen ions in solution, donates hydrogen ions, or is an electron-pair acceptor?

What is a compound that releases hydroxide ions in solution, accepts hydrogen ions, or donates an electron pair?

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