Electric Charges and Coulomb's Law

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

Positive ions form when atoms _________ valence electrons.

• lose
• gain
• share
• gain or share

How many protons are in this element?

• 79
• 196
• 117
• Cannot be determined

Tags

NGSS.HS-PS1-1

What charge does an atom have if it LOSES an electron? 

• Positive (+)
• Negative (-)

Ions are: 

• atoms with a positive or negative charge
• atoms with no charge
• atoms with ONLY a positive charge
• atoms with ONLY a negative charge

What charge does an atom have if it GAINS an electrons?

• Positive (+)
• Negative (-)

A positive ion is called a

• cation
• anion

A anion will be a ____ ion.

• negative
• positive

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

Walking across a carpet is an example of charge being transferred by

• friction.
• induction.
• contact.
• static electricity