The positive or negative charge of a monoatomic ion.

• oxidation number
• cation
• anion
• formula unit

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An ion formed from only one atom.

• monoatomic ion
• oxyanion
• polyatomic ion
• cation

An ion that has a positive charge.

• cation
• anion
• oxyanion
• monoatomic ion

An ion that has a negative charge.

• anion
• cation
• monoatomic ion
• oxyanion

All the Group 1A ions have a __________ charge. (Li, Na, K, Rb, Cs)

• 1+

• 2+

• 3+

• 1-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Group _______ metals tend to lose two electrons to form cations with a 2+ charge.

• 1A , Alkali

• 2A, Alkaline Earth

• 6A, oxygen family

• 7A, halogen

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Element: Fluorine, element #9

Ion Name: ? Formula ?

• fluoride: F^-

• fluoride: F^7-

• fluorate: F^-

• fluorite: F^-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Element: Calcium, element #20

Ion Name: ? Formula ?

• Calcium: Ca²⁺

• Calcide: Ca²⁺

• Calcate: Ca²⁺

• Calcite: Ca²⁺

Tags

NGSS.HS-PS1-1

Element: Oxygen, element #8

Ion Name: ? Formula ?

• Oxide: O^2-

• Oxygen: O^2-

• Oxate: O^2-

• Oxite: O^2-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a rubidium ion's symbol? Rb is element #37.

• Rb^-

• Rb⁺

• Rb^-2

• Rb⁺²

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2