LT4 Ionic Formulas & Names with Monatomic Ions

What are the electrons in the highest energy level of an atom called?

• orbital electrons
• valence electrons
• anions
• cations

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does a bromine atom have?

• 1
• 2
• 6
• 7

Tags

NGSS.HS-PS1-1

A phosphorus atom needs to gain ___ electrons to achieve a full octet.

• 3
• 4
• 6
• 5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A negatively-charged ion.

• atom
• cation
• anion
• electron

Tags

NGSS.HS-PS1-1

Sulfide

• S^2-

• S^-

• SO₃^2-

• SO₄^2-

Cations are

• positive
• negative
• on the right side of the periodic table.
• nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Iron (III)

• Fe²⁺

• Fe³⁺

• Fe (III)²⁺

• Fe^3-

Tags

NGSS.HS-PS1-1

Phosphide

• PO₄^3-

• PO₃^3-

• ^P3-

• PO₄^-

Tags

NGSS.HS-PS1-2

When naming ionic compounds, the cation is always named first and the anion is always named second.

• False
• True

Name the following compound; ScCl₂

• sulfur dichloride
• scandium chloride
• scandium (II) chloride
• scandium dichloride

Tags

NGSS.HS-PS1-2