Atoms and Periodic Table Pre-Assess

What is the atomic mass of this atom?

• 13

• 14

• 26.98

If the atomic mass is 55.85, what is the name of this element?

• Iron

• Fe

• Manganese

• Mn

What is the number of electrons?

• 13

• 14

• 26.98

• 27

How many protons does this atom have?

• 24.31

• 12

• 22

• 13

What is the atomic number of this atom?

• 59

• 31

• 28

• 30

What is the number of neutrons of this atom?

• 31

• 28

• 30

• 59

All matter is made of what?

• energy

• atoms

• electrons

The positive particles of an atom are ___________.

• electrons

• protons

• neutrons

The center of an atom where its neutrons and protons are is called the _____________.

• nucleus

• electron cloud

• center

An atom with atomic number 6 would have how many protons?

• 6

• 12

• 3