Isotopes and Ions Quick Check

How many protons are in the following atom?

• 82

• 125

• 207

• 189

Tags

NGSS.MS-PS1-1

How many neutrons are in the isotope Carbon-14?

• 6

• 8

• 12

• 14

Tags

NGSS.HS-PS1-8

Write the hyphen notation for the isotope that has 39 protons and 50 neutrons.

• Yttrium-11

• Tin-39

• Tin-89

• Yttrium-89

Tags

NGSS.HS-PS1-8

How many protons, neutrons, and electrons?

• proton = 16, neutron = 8, electron = 10

• proton = 8, neutron = 16, electron = 8

• proton = 8, neutron = 8, electron = 10

• proton = 6, neutron = 2, electron = 6

Tags

NGSS.MS-PS1-1

Positive ions form when atoms _________ valence electrons.

• lose
• gain
• share
• gain or share

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2