SK 015 : Isotope Notation

How many neutrons would Fe-56 have?

• 56
• 26
• 30
• 33

How many protons does P-30 have?

• 30
• 16
• 12
• 15

Tags

NGSS.HS-PS1-1

What element has 42 protons?

• Ca
• Mo
• Zr
• Po

Tags

NGSS.HS-PS1-1

If an atom of nickel has a charge of +3, how many electrons does the atom have?

• 28
• 25
• 26
• 31

If an atom of oxygen has a charge of -2, how many electrons does the atom have?

• 18
• 6
• 8
• 10

How many neutrons would V-49 have?

• 26
• 49
• 23
• 50.94

How many protons does Pb²⁺ have?

• 127

• 209

• 82

• 291

Which of the following could have 14 neutrons?

• Al-27
• Si-29
• Mg-25
• Na-22

Which of the following could have 82 neutrons?

• W-182
• Ta-181
• Cs-132
• Ba-138

What is the nucleon number of an atom of gold with 117 neutrons?

• 117

• 196

• 196.97

• 197