Which element is represented by the Bohr-Rutherford diagram in the picture?

• Sodium

• Hydrogen

• Helium

• Lithium

Which one of the following substances is an example of an element found on the periodic table?

• Water

• Bleach

• Oxygen

• Hydrogen peroxide

Which substance in the following list is an example of a compound?

• Carbon

• Lithium

• Helium

• Lithium Nitrate

Which one of the following is considered to be a metal according to your periodic table:

• Argon

• Chlorine

• Neon

• Sodium

An atom that gains or loses electrons is called a(n):

• Element

• Neutron

• Ion

• Atomizer

An atom can form a negative ion by:

• Gaining electrons

• Losing electrons

• Gaining protons

• Losing protons

What kind of charge does each electron have?

• Positive charge

• Negative charge

• No charge

What kind of charge does each proton have?

• Positive charge

• Negative charge

• No charge

What kind of charge does each neutron have?

• Positive charge

• Negative charge

• No charge

What is the ionic charge of chlorine (which is in group 17 on the periodic table)?

• -1

• +1

• -2

• +2