Unit 3 Review

What Ion Charge does the element Nitrogen have?

• +4

• -3

• -2

• -1

How many valence electrons does the element Gallium have?

• 2

• 3

• 4

• 5

Which subatomic particles are found inside an atom's nucleus?

• Protons & Neutrons

• Neutrons & Electrons

• Electrons & Protons

• Neutrons & Positrons

Positively charged Ions are called ______________.

• Cations

• Anions

• Positrons

• Valence Electrons

An element's identity is determined by its number of _____________.

• Neutrons

• Electrons

• Protons

• Orbitals

An atom's mass is determined by its _____________, while its volume is determined by its ______________.

• Nucleus, Electrons

• Neutrons, Electrons

• Nucleus, Protons

• Protons, Electrons

What is the atomic number for the element Silver?

• 47

• 107.87

• 61

How many neutrons does the element Bromine have?

• 35

• 79.9

• 45

• 44

Which element is in the 4th period of the Alkali metals?

• Strontium

• Potassium

• Rubidium

• Calcium

The element Fluorine belongs to which family?

• Alkali metals

• Alkaline Earth Metals

• Halogens

• Noble Gases