Chemistry Unit 2 Review

Match the following

• Difference between Protons and Electrons

• Ions

• Same Element; different # of neutrons

• Isotopes

• Atoms with a charge

• Charge

• Protons and Neutrons

• Atomic Mass

• Number of protons

• Atomic Number

Organize these options into the right categories

Groups:

(a) Ionic Compound

,

(b) Molecular Compound

• NaCl

How many protons does ⁴²Ca⁺² have?

Mathematical Equivalence

ON

How many neutrons does ⁴²Ca⁺² have?

Mathematical Equivalence

ON

How many electrons does ⁴²Ca⁺² have?

Mathematical Equivalence

ON

How many electrons does ⁷⁶Se^-3 have?

Mathematical Equivalence

OFF

How many neutrons does ⁷⁶Se^-3 have?

Mathematical Equivalence

OFF

What is the charge of an atom with 11 protons and 10 electrons?

(If positive, just put answer without the plus [2, not +2], Quizizz is dumb.)

Mathematical Equivalence

OFF

What is the charge of an atom with 16 protons and 18 electrons?

(If positive, just put answer without the plus [2, not +2], Quizizz is dumb.)

Mathematical Equivalence

OFF

What is the charge of an atom with 7 protons and 10 electrons?

(If positive, just put answer without the plus [2, not +2], Quizizz is dumb.)

Mathematical Equivalence

OFF