Chem review (shorter)

• Metals
• Nonmetals
• Metalloids

• Metals
• Nonmetals
• Metalloids

• Metals
• Nonmetals
• Metalloids

What is the electrical charge of a proton?

• Positive +

• Negative -

• Neutral

What is the electrical charge of an electron?

• Positive +

• Negative -

• Neutral

What is the electrical charge of a neutron?

• Positive +

• Negative -

• Neutral

Which subatomic particles are located outside the nucleus of an atom?

• Protons

• Neutrons

• Electrons

Write the element symbol for the element that has an atomic number of 26.

What is the atomic number for Magnesium (Mg)?

Hint: check group 2 on the periodic table

• 2

• 24

• 12

• 44

What is the rounded atomic mass for Helium?

Hint: Check group 18 on the periodic table

• 2

• 4

• 3

• 7