Valence Electrons and Ions

Ions are ________

• atoms with an electric charge

• atoms with different number of protons

• atoms with different number of neutrons

Metals form positive ions which are also known as________

Tags

NGSS.HS-PS1-2

Non-metals form negative ions which are also known as ____________

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following ions have a +1 charge?

• Hydrogen (H)

• Helium (He)

• Calcium (Ca)

• Lithium (Li)

Tags

NGSS.HS-PS1-1

Ions have the same number of protons but different number of _________________

• neutrons

• electrons

• protons

• toes

Isotopes have the same number of protons but different number of _________________

• neutrons

• protons

• electrons

• eyes

Tags

NGSS.HS-PS1-8

______________ electrons are found in the outermost energy level of an atom.

• neutral

• valence

• purple

• proton

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following ions have a +2 charge?

• Hydrogen (H)

• Magnesium (Mg)

• Calcium (Ca)

• Lithium (Li)

Tags

NGSS.HS-PS1-1

How many valence electrons does Hydrogen (H) have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons do Group 2 atoms have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1