Monoatomic Ions

What is the symbol for chromium (III) ion?

• Cr⁺³

• Cr ^-3

• Cr⁺²

• Cr ^-2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Name the ion formed by magnesium.

• Magnesium (II) ion

• Magnesium ion

• Magnesiumide ione

Element: Oxygen

Ion Name: ? Formula ?

• O

• Oxygen: O^2-

• Oxate: O^2-

• Oxite: O^2-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the difference between a monoatomic ion and polyatomic ion? Provide 3 examples of each.

• Monoatomic: multiple ions ex: Cl₂,Br₂, H₂

  Polyatomic: multiple ions ex: Na, B, Al

• Monoatomic: multiple ions ex: NO^-_3^-, PO^3-_4, SO^2-_3-

  Polyatomic: multiple ions ex: Cl₂,Br₂, H₂

• Monoatomic: singular ions ex: Na, B, Al

  Polyatomic: multiple ions ex: NO^-_3^-, PO^3-_4, SO^2-_3-

• Monoatomic: multiple ions ex: Na, B, Al

  Polyatomic: multiple ions ex: Cl₂,Br₂, H₂

Atoms that consist of a single atom by itself are called...

(hint: think about the prefix for "one")

• chemical formula

• ionic compound

• oxidation number

• monoatomic ion

What is a monoatomic ion?

• An ion consisting of a single atom with a positive or negative charge

• An ion consisting of multiple atoms with a positive or negative charge

• A neutral atom with no charge

• A molecule consisting of two or more atoms

Which of the following is an example of a monoatomic ion?

How is a monoatomic ion formed?

• By gaining or losing electrons

• By sharing electrons

• By forming covalent bonds

• By forming hydrogen bonds

Which of the following ions is not monoatomic?

What charge does a monoatomic ion typically have?

• Positive or negative

• Always positive

• Always negative

• Neutral