Ions and Isotopes Practice

Adding or subtracting neutrons (charge = 0, mass = 1) makes the element change into an...

• ion
• mixture
• isotope
• neutral atom

Tags

NGSS.HS-PS1-8

What is the charge on a lithium atom that looses 1 electron?

• +1
• 0
• -1
• -2

Tags

NGSS.MS-PS1-1

What is the net charge on the element shown above? 
(Calcium - atomic number 20)

• cation +1 charge
• cation +2 charge
• anion -1 charge
• anion -2 charge

Tags

NGSS.HS-PS1-1

What is the atomic number of Fe? (click to see image)

• 26
• 55.845
• 56
• None of these

Tags

NGSS.MS-PS1-1

How many neutrons does B (Boron) contain?

• 5
• 11
• 6
• 10.811

Tags

NGSS.MS-PS1-1

Carbon has an atomic number of 6 and an atomic mass of 12. Which elements are considered isotopes of carbon?

• Carbon-12
• Carbon-13
• Carbon-14
• Both Carbon-13 and Carbon-14

Tags

NGSS.MS-PS1-1

How many neutrons does Lithium have (atomic mass = 6.94)

• 3
• 4
• 6.94
• 24.94

Tags

NGSS.MS-PS1-1

If an atom has an extra neutron, it is a(n)

• Positive ion
• Negative ion
• Isotope
• Neutral Atom

Tags

NGSS.MS-PS1-1

If an atom gains an electron it is a(n)

• Positive ion
• Negative ion
• Isotope
• Neutral Atom

If an atom loses an electron it is a(n)

• Positive ion
• Negative ion
• Isotope
• Neutral Atom