8th: Unit 3 Atoms & Periodic Table Test Review

What is the atomic mass?

• protons & neutrons

• protons & electrons

• protons

• neutrons

What is the atomic number?

• protons

• electrons

• protons & neutrons

• protons & electrons

Use your periodic table: How many neutrons does Oxygen have?

• 15.999

• 8

• 7.999

• 23.999

What element is in group 16; period 4

• Arsenic (As)

• Selenium (Se)

• Germanium (Ge)

• Phosphorus (P)

What element is in group 9; period 7

• Meitnerium (Mt)

• Darmstadtium (Ds)

• Hassium (Hs)

• Iridium (Ir)

Use your periodic table: Which element has 35 protons?

• Bromine (Br)

• Krypton (Kr)

• Boron (B)

• Chlorine (Cl)

Use your periodic table: Which element has 79 protons?

• Gold (Au)

• Silver (Ag)

• Cadmium (Cd)

• Bromine (Br)

Use your periodic table: Which element is Fe?

• Iron

• Iridium

• Fluorine

• Helium

What is the atomic number of Nitrogen?

• 7

• 14.007

• 21.007

• 7.007

What is the atomic mass of Nitrogen?

• 7

• 14.007

• 21.007

• 7.007