Ion Refresher

Which of the following describes a negative ion?

• anion

• cation

If an atom has 6 valence electrons, will it become a positive or negative ion?

• Positive ion
• Negative ion

An atom with a charge of +3 has _______.

• Lost 3 electrons
• Gained 3 electrons
• Lost 3 protons
• Gained 3 protons

An atom of fluorine gains an electron.  What will be its ion symbol?

• F¹⁺
• F^1-
• F¹⁰⁺
• F^7-

An atom of Magnesium loses 2 electrons.  What will be its ion symbol?

• Mg^2-
• Mg²⁺
• Mg¹²⁺
• Mg^10-

Metal ions always have a _______ charge.

• positive

• negative

When naming ionic compounds with transition metals you need to include roman numerals to show the _____ of the metal..

• atomic number
• mass number
• charge
• ionization energy

Hydroxide ion

• OH²⁻
• OH⁻
• OH⁺
• OH²⁺

Sodium ion

• Na²⁺
• K²⁺
• Li⁺
• Na⁺

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Potassium ion

• Na⁺
• K⁺
• K²⁺
• K⁻