Ions and Their Charges

Which group has ions with positive charges?

• Group I

• Group IV

• Group VI

• Group 0

Copper (I) ion is different from Copper (II) ion because:

• Copper (I) has a charge of +1

• Copper (II) has a charge of +2

• Copper (I) is more stable

• Both A and B.

Which of the following elements forms ions with a -1 charge?

• Oxygen

• Fluorine

• Sulfur

• Chlorine

Tags

NGSS.HS-PS1-1

Fill in the blank: Transition elements can form more than one type of ___.

• atom

• ion

• molecule

• compound

Which of the following is a compound ion with a charge of 1+?

• A) NH₄⁺

• B) OH⁻

• C) NO₃⁻

• D) SO₄²⁻

Which ion is known as the sulfate ion?

• NO₃⁻

• CO₃²⁻

• SO₄²⁻

• HCO₃⁻

Which of the following ions has a charge of 1-?

• NH₄⁺

• OH⁻

• SO₄²⁻

• CO₃²⁻

Fill in the blank: The copper crystals are called ______.

• Grains

• Particles

• Molecules

• Atoms

What is the charge of the hydrogen carbonate ion (HCO₃⁻)?

• 1+

• 1-

• 2+

• 2-

Which ion is known as the hydrogen carbonate ion?

• NH₄⁺

• OH⁻

• HCO₃⁻

• CO₃²⁻