4.3 Nuclear Symbols of Atoms and Ions 2025

How many electrons in a neutral lithium atom?

• 3

• 7

• 4

• 1

Tags

NGSS.MS-PS1-1

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

How many electrons does ³²₁₆S^-2

• 32

• 14

• 16

• 18

Tags

NGSS.MS-PS1-1

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

• Positive (+)
• Negative (-)

How many electrons does the following ion have?

• 3

• 7

• 10

• 14

Tags

NGSS.MS-PS1-1

How many electrons does an Iodine atom have?

• 53
• 126
• 73
• 179

Tags

NGSS.MS-PS1-1

What element has 8 protons?

• Fluorine

• Carobn

• Oxygen

• Nitrogen

What is the charge of the following atom

6 protons, 8 neutrons, and 8 electrons

• +2

• +1

• -1

• -2

Tags

NGSS.MS-PS1-1

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

Which is the best nuclear symbol for a potassium atom with 21 neutrons?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-8