Ions & Isotopes Knowledge Check

How many protons does this isotope of titanium have?

• 22

• 26

• 48

• 70

Tags

NGSS.MS-PS1-1

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

Tags

NGSS.HS-PS1-2

NGSS.HS-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

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

• Positive (+)
• Negative (-)

Tags

NGSS.HS-PS1-2

What is the number of neutrons?

• 34
• 79
• 45
• 35

Tags

NGSS.MS-PS1-1

What is the definition of isotope?

• atoms of an element with different numbers of neutrons.
• materials break down over time at a very consistent rate

What is an example of an Isotope

• Cu
• C02
• H2O
• C-14

Tags

NGSS.HS-PS1-8

Atoms of the same element that have different mass than expected because they have a different number of neutrons.

• Neutral Atom

• Ion

• Isotope

• Cation

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

NGSS.HS-PS1-1

If an atom has 9 protons and 10 electrons it has a charge of ____.

• 0

• -1

• +1

• -2

Tags

NGSS.MS-PS1-1