Matter Unit Powerpoint Review

Matter Unit Powerpoint Review

By Erin Jameson

Multiple Choice

What is the smallest piece of matter that still has properties of that matter?

• element

• atom

• proton

Multiple Choice

The central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Multiple Choice

Negatively charged particle

• proton

• neutron

• electron

Multiple Choice

An atoms overall charge is _____.

• Positive 
• Depends on its mood 
• Neutral 
• Negative 

Multiple Choice

A(n) ______________ is formed when two or more elements chemically combine.

• Compound

• Element

• Mixture

Multiple Choice

A ___________ is a combination of many different elements not chemically combined.

• Element

• Compound

• Mixture

Multiple Choice

A pure substance...

• is an element or a compound
• is an element or a mixture
• is a compound or a mixture
• is a mixture

Multiple Choice

Which of the following is classified as a pure substance?

• Lemonade

• Fruit punch

• ketchup

• Hydrogen

Multiple Choice

It is a combination of two or more substances in

which the composition is uniform throughout the

mixture.

• Heterogeneous mixture

• Homogeneous mixture

• Solvation

• Solution

Multiple Choice

Which of the following describes a substance that has been physically combined and is NOT uniform throughout (you see the DIFFERENT parts that make it up)?

• Homogeneous Mixture

• Compound

• Heterogeneous mixture

• element

Multiple Choice

This method separates substances due to differences in the sizes of their particles.

• Filtration

• Evaporation

• Distillation

• Chromatography

Multiple Choice

• Element

• Compound

• Mixture

Multiple Choice

• Element

• Compound

• Mixture

Multiple Choice

• Element

• Compound

• Mixture

Multiple Choice

The number of electrons in an atom is equal to the...

• Protons and Neutrons

• Protons

• Atomic Mass

• Neutrons

Multiple Choice

The formula used to calculate the number of neutrons is:

• Mass Number - Atomic Number

• Protons + Electrons

• Atomic Number - Mass Number

• Protons x2

Multiple Choice

What is the atomic number of this atom?

• 1
• 3
• 4
• 7

Multiple Choice

How are elements on the periodic table arranged by?

• in alphabetic order
• simular physical & chemical properties
• their symbols
• Just simular physical properties

Multiple Choice

These two elements have similar chemical properties to Barium (Ba).

• Ca and Ra, because they are in the same group.

• Cs and La, because they are in the same period number.

• Ca and Y, because they are 90 degree angle.

Multiple Choice

Which group will not combine with other elements because they have a full outer shell of electrons?

• Alkaline Earth Metals

• Alkali Metals

• Noble Gases

• Halogens

Multiple Choice

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Multiple Choice

an arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column and properties repeat from row to row

• Periodic Table of Elements

• Atomic Theory

• Isotopes

• Subatomic Particles

Multiple Choice

Flammability (burns): Chemical or Physical Property

• Chemical Property
• Physical Property

Multiple Choice

Boiling point: Chemical or Physical Property

• Chemical Property
• Physical Property

Multiple Choice

Which of the following is an example of a precipitate?

• liquid evaporating into gas
• a solid formed from a frozen liquid
• a chunk solid formed from two liquids combining
• a liquid solution that contains two substances

Multiple Choice

Which is the correct description of photosynthesis

• Photosynthesis is a chemical reaction because the atoms of the molecules get rearranged to form new molecules

• Photosynthesis is a chemical reaction because the molecules stay the same before and after the change

• Photosynthesis is a physical change because nature makes it happen

• Photosynthesis is a physical change because the atoms stay the same

Multiple Choice

Baking a cake is an example of a

• Chemical change

• Physical chage

Multiple Choice

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

Multiple Choice

The law of conservation of mass says substances can neither be _______ nor ___________.

• Built; torn down

• Blended together; separated

• Created; destroyed

• Condensed; extracted

Multiple Choice

4 grams of hydrogen and 32 grams of oxygen will combine to form:

• 36 grams of water

• 28 grams of hydroxide

• 32 grams of oxygen

• 36 grams of deuterium

Multiple Choice

Jason poured 500 grams of water into a container and tightly sealed it. The water was allowed to freeze. Which is most likely true about the ice that formed?

• The mass of the ice is the same as the mass of the water.
• The mass of the ice is greater than the mass of the water.
• The ice formed is a different substance than the water.
• The ice formed is the same temperature as the water.
  

Multiple Choice

According to the Law of Conservation of Mass, what happens to the wood and oxygen when it is burned?

• The wood disappears.

• It stays the same chemically.

• The atoms in the wood and oxygen rearrange and form smoke and ash.

• Nothing.

Multiple Choice

Balance the following equation:

___ Mg+ ___ O₂→___ MgO

• 1, 1, 3

• 2, 1, 2

• 1, 2, 1

• 2, 2, 2