Ion Charge of Elements

The atoms of elements that has charge of -2 are

• Oxygen

• Calcium

• Sulfur

• Magnesium

Valency of Aluminum ion is _______

• 1

• 2

• 3

• variable

When chlorine looses one electron the ion formed is called

• Chloride

• Chlorine

• Chlorite

• Carbon

The positive ions tend to _____________ electrons.

• lose

• gain

The negative ions tend to _____________ electrons.

• lose

• gain

Tags

NGSS.MS-PS1-5

Why are sodium and chlorine attracted to each other?

• they have opposite charges

• they both have negative charges

• they both have positive charges

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

Atoms that gain electrons become...

• negatively charged

• positively charged

• remain neutrally charged

• 21

What is the charge on a Hydrogen ion?

• +1

• 1

• 2

Ionic bonds form between two ions that have...

• ionic compounds

• negative charges

• positive charges

• opposite charges