Matter Unit Review

Matter Unit Review

by Earl King

Multiple Choice

Basic building block of matter

• atom

• compound

• molecule

• mixture

Multiple Choice

Positively Charged Subatomic Particle

• Proton

• Neutron

• Electron

• Ultron

Multiple Choice

Negatively charged subatomic particle

• Proton

• Neutron

• Electron

• Megatron

Multiple Choice

Atomic Mass

• Electrons + Neutrons

• protons

• neutrons

• Protons + Neutrons

Fill in the Blanks

Atomic Number tells me the atom's number of 

Multiple Choice

Identifies the element

• # of protons

• # of electrons

• # of neutrons

• What are elements???

Fill in the Blanks

Number of protons

Fill in the Blanks

Number of neutrons

Multiple Choice

Is this atom neutral?

• Yes

• No

Open Ended

Why is the atom neutral?

Multiple Choice

Groups on the PTE are 

• columns

• rows

• periods

• elements

Multiple Choice

Same group =

• same # of energy levels/orbitals

• similar properties

• element class

• nothing, just coincidence

Multiple Choice

Most reactive group on the PTE

• Group 1: alkali metals

• group 18: noble gases

Open Ended

Why is group 18 nonreactive/stable?

Fill in the Blanks

Carbon has _ valence electrons

Multiple Choice

State of matter with the fastest moving particles

• Gas

• Solid

• Liquid

Open Ended

What happens to particles of matter as we add energy/heat?

Multiple Choice

Which of the following is a pure substance?

• milk

• catsup

• blood

• potassium

Open Ended

What makes something a pure substance?

Poll

Mixtures are ______________ combined

• chemically

• physically

Poll

Compounds are __________________ combined

• Chemically

• Physically

Multiple Choice

Mixture where everything looks the same throughout

• heterogeneous

• homogeneous

Multiple Choice

Valence electrons are shared between atoms forming a bond

• covalent

• ionic

Multiple Choice

Valence electrons are transferred between atoms forming a chemical bond

• Covalent

• Ionic

Multiple Choice

If an atom gains an electron, the atom will have a _________ charge

• negative

• positive

• neutral

Multiple Choice

$$C_6H_{12}O_6$$  

How many hydrogen atoms?

• 6

• 24

• 12

Multiple Choice

$$2C_6H_{12}O_6$$  

How many carbon atams?

• 12

• 24

• 6

Multiple Choice

Observable/measurable without matter changing into a new substance

• chemical properties

• physical properties

Multiple Choice

Change in appearance of matter, but no change in atomic composition(no new substance is formed)

• physical change

• chemical change

Multiple Choice

One or more substances changes into one or more new substances

• Chemical Change

• Physical Change

Open Ended

Where do you find the reactants in a chemical equation?

Open Ended

What is a balanced chemical equation? 

Multiple Choice

$$Fe+O_2\rightarrow Fe_2O_3$$  

Is this equation balanced?

• No

• Yes

Multiple Choice

$$4Fe+3O_2\rightarrow2Fe_2O_3$$  

Is this equation balanced?

• Yes

• No

Fill in the Blanks

What do you never change when balancing a chemical equation?