Chemistry Standard 1 Test Review

What charge does a neutron have?

• negative

• neutral / no charge

• positive

What charge does a proton have?

• positive

• neutral / no charge

• negative

What charge does an electron have?

• positive

• neutral / no charge

• negative

Neutrons are located...

• in the nucleus

• outside of the nucleus

What's an ion?

• An atom with a different number of neutrons

• A charged atom (+ or -)

• an electron in the outermost energy level of an atom

• location where electrons are found

How many protons are in an atom of lithium (Li)?

• 5

• 7

• 3

• 1

What is the average atomic mass of calcium (Ca)?

• 20

• 40

• 4

• 2

How many energy levels does calcium (Ca) have?

• 2

• 3

• 4

• 5

What is an energy level?

• location of the protons inside of the nucleus

• location of the protons outside of the nucleus

• location of the electrons inside of the nucleus

• location of the electrons outside of the nucleus

(Select all that apply) More energy levels on an atom =

• smaller atomic radius

• larger atomic radius

• stronger coulombic attraction

• weaker coulombic attraction