Bohr Model, Ions, Isotopes, Valence Electrons

How many electrons can go in the first energy level?

• 2

• 8

• 18

• 32

How many electrons can go in the Second energy level?

• 2

• 8

• 18

• 32

What is defined as defined as the number of protons?

• Atomic mass

• Atomic number

• a.m.u

• Group

What is the the outermost shell with electrons?

• Shells

• Isotope

• Orbit

• Valence

What is the atom called when there is adding or removing electrons creates atoms with (+) or (-) charges?

• isotopes

• ions

• neutral

• stable

What is a positive ion called?

• anion

• cation

• isotope

• covalent

What is a negative ion called?

• anion

• cation

• covalent

• isotope

Which particles change the charge in atoms when ions are formed?

• Protons

• Electrons

• Neutrons

An atom becomes _________ when it gains electrons.

• Positive

• Negative

• Neutral

An atom becomes _______ when it loses electrons.

• Positive

• Negative

• Neutral