Ions and Isotopes Practice Quiz

How many neutrons are in an atom of carbon-14?

• 6

• 8

• 10

• 14

How many protons does this isotope of titanium have?

• 22

• 26

• 48

• 70

How many electrons are in an atom that has an atomic number of 34, an atomic mass of 74 and a charge of -2?

• 2

• 34

• 36

• 40

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• Yttrium-11

• Tin-39

• Tin-89

• Yttrium-89

An atom with the same number of protons and electrons (no charge) and the expected atomic mass or number of neutrons from the periodic table.

• Neutral/Normal Atom

• Ion

• Isotope

An atom that has gained or lost electrons in an attempt to become stable/bond with another atom.

• Normal/Neutral Atom

• Ion

• Isotope

Tags

NGSS.HS-PS1-2

A negatively charged ion that has gained electrons to satisfy the octet rule (metals do this)

• Anion

• Cation

• Neutral Atom

• Isotope

Positive ions form when atoms ____ electrons.

• lose
• gain
• share
• gain or share

What is the number of protons?

• 34
• 16
• 18
• S

Tags

NGSS.HS-PS1-7

Which atom has  4 neutrons?

• Li-6
• Li-7
• Li-8
• they have the same # of neutrons

Tags

NGSS.HS-PS1-8