Matter Unit Review

Basic building block of matter

Positively Charged Subatomic Particle

Negatively charged subatomic particle

Atomic Mass

Identifies the element

Is this atom neutral?

Groups on the PTE are 

Same group =

Most reactive group on the PTE

State of matter with the fastest moving particles

Which of the following is a pure substance?

Mixtures are ______________ combined

Compounds are __________________ combined

Mixture where everything looks the same throughout

Valence electrons are shared between atoms forming a bond

Valence electrons are transferred between atoms forming a chemical bond

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

$$C_6H_{12}O_6$$  

How many hydrogen atoms?

$$2C_6H_{12}O_6$$  

How many carbon atams?

Observable/measurable without matter changing into a new substance

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

One or more substances changes into one or more new substances

$$Fe+O_2\rightarrow Fe_2O_3$$  

Is this equation balanced?

$$4Fe+3O_2\rightarrow2Fe_2O_3$$  

Is this equation balanced?