Atom Vs. Ion

An atom...

• is the smallest unit of matter

• is neutral

• is made up of protons, neutrons, electrons

• All are true.

Tags

NGSS.MS-PS1-1

How are atoms and ions different?

• An atom has a charge and an ion has no charge.

• An atom has no charge and an ion has a charge.

• They have different numbers of protons.

• They have different numbers of neutrons.

What is another name for a positively charged ion?

• atom

• cation

• anion

• proton

What is another name for a negatively charged ion?

• atom

• anion

• cation

• electron

What is the charge if an ion loses electrons?

• positive

• negative

• neutral

What is the charge if an ion gains electrons?

• positive

• neutral

• negative

What charge will result if Nitrogen gains 3 electrons?

• +3

• +1

• -3

• -2

What charge will elements in group 13 have?

• +1

• +3

• -1

• -3

All atoms can become stable by...

• losing or gaining electrons to obtain a full valence (outer) shell

• losing or gaining protons to obtain a full valence (outer) shell

• losing or gaining neutrons to obtain a full valence (outer) shell

If an atom has 7 valence electrons, what will its charge be as an ion?

• +1

• +7

• -7

• -1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2