WorksheetsStructure of Matter
Total questions: 43
Worksheet time: 11hrs 45mins
True or False: Be3 is a compound.
True
False
How many carbon atoms are there in C3H12O5?
1
3
12
5
How many sodium atoms are there in NaCl2?
1
2
3
4
How many molecules (or groups) are there in 2CH4?
1
2
3
4
True or False. Molecules are defined as two or more of the same or different atoms bonded.
True
False
Solid material whose atoms are arranged in an ordered pattern.
Matter
Molecule
Atom
Crystal
True or False. Elements are basic forms of matter that cannot be broken down into a simpler substance
True
False
What is the basic building block of matter (made of protons, electrons, and neutrons)?
Matter
Molecule
Atom
Crystal
Solid material whose atoms are arranged in an ordered pattern
Matter
Molecule
Crystal
Substance
What can be combined to form molecules?
Electrons
Neutrons
Atoms
Substances
What has a positive charge?
Protons
Neutrons
Electrons
What has no charge?
Protons
Neutrons
Electrons
What has a negative charge?
Protons
Neutrons
Electrons
How are elements different from atoms?
Elements are made out of atoms
Atoms are made out of elements
Elements are made out of molecules
Molecules are made out of atoms.
What do we call a substance consisting of a single type of atom?
molecule
element
compound
substance
What is the total number of atoms in an ammonia (NH3) molecule?
1
2
3
4
What is an atom?
The basic building block of matter; made of electrons, protons, and neutrons.
The simplest unit of a chemical compound that can exist; formed when two or more atoms of different elements join together chemically (with a bond).
The simplest unit of a chemical compound that can exist; formed when two or more atoms of the same or different elements join together chemically (with a bond).
A pure substance that is made from a single type of atom.
What is an molecule?
The basic building block of matter; made of electrons, protons, and neutrons.
The simplest unit of a chemical compound that can exist; formed when two or more atoms of different elements join together chemically (with a bond).
The simplest unit of a chemical compound that can exist; formed when two or more atoms of the same or different elements join together chemically (with a bond).
A pure substance that is made from a single type of atom.
What is an compound?
The basic building block of matter; made of electrons, protons, and neutrons.
The simplest unit of a chemical compound that can exist; formed when two or more atoms of different elements join together chemically (with a bond).
The simplest unit of a chemical compound that can exist; formed when two or more atoms of the same or different elements join together chemically (with a bond).
A pure substance that is made from a single type of atom.
What is an element?
The basic building block of matter; made of electrons, protons, and neutrons.
The simplest unit of a chemical compound that can exist; formed when two or more atoms of different elements join together chemically (with a bond).
The simplest unit of a chemical compound that can exist; formed when two or more atoms of the same or different elements join together chemically (with a bond).
A pure substance that is made from a single type of atom.
Which answer choice accurately describes protons, neutrons, and electrons?
Protons have a positive charge and are found in the nucleus. Electrons have a neutral charge and are found orbiting the nucleus. Neutrons have a negative charge and are found in the nucleus.
Protons have a positive charge and are found in the nucleus. Electrons have a negative charge and are found orbiting the nucleus. Neutrons have a neutral charge and are found in the nucleus.
Protons have a negative charge and are found in the nucleus. Electrons have a neutral charge and are found orbiting the nucleus. Neutrons have a positive charge and are found in the nucleus.
Protons have a positive charge and are found orbiting the nucleus. Electrons have a negative charge and are found orbiting the nucleus. Neutrons neutral a negative charge and are found in the nucleus.
How are elements different from atoms?
They are two different types of matter.
Atoms are made out of elements.
They are identical.
Elements are made out of atoms.
What is the difference between molecules and compounds?
They are both made of at least two atoms, but molecules are made of only the same element while compounds are made of more than one element.
They are both made of at least two atoms, but molecules are made of different elements while compounds are made of one element.
They are both made of at least two atoms, but molecules are made of either the same or different elements while compounds are made of more than one element.
Atomic models of graphite and diamond are shown. They are allotropes of Carbon. Graphite is a soft, dark material often used in pencils. Diamond is often a clear, hard crystal. Which of the following best explains the difference in these materials even though they are both made of Carbon?
The arrangement of the atoms of each one.
The elements of which each one is made.
The number of atoms each one is made of.
The size and shape of the individual atoms.
Is it possible for hydrogen and oxygen to form other compounds besides water?
Yes, it is possible for them to arrange in other ways, to produce other compounds.
No, it is not possible for them to arrange in other ways, to produce other compounds.
The extended structure of sodium chloride (NaCl) is shown. Is it possible to predict what Layer 4 will look like?
No, placement in these large crystal structures are random.
Yes, placement in these large crystal structures follow a repeating pattern.
Students are asked to create models of molecules using marbles of different colors to represent atoms of different types. Here is a table describing the models made by four students. Which of the following is the most accurate evaluation of these models?
Only Students 1, 2, and 4 created acceptable models, since molecules must be made of different types of atoms.
All of the students created acceptable models because molecules can consist of many different configurations of atoms.
Only Student 2 created an acceptable model of a molecule, since every molecule must have a balance of atoms.
All student models are acceptable except that of Student 4, since molecules can’t be made of so high a number of atoms.
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