Ionic Bonding GCSE Chemistry

What is the charge of a magnesium ion after it loses two electrons?

• -1

• +2

• -2

• +1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does sulfur have before it gains two electrons to form a sulfide ion?

• 2

• 4

• 8

• 6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the final electron configuration of a sodium ion after it loses its valence electron?

• 2,8

• 2,8,2

• 2,7

• 2,8,1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type of bond forms between sodium and chlorine to create sodium chloride?

• Hydrogen bond

• Ionic bond

• Covalent bond

• Metallic bond

What is the overall charge of an ionic compound?

• -1

• Varies

• 0

• +1

How many chloride ions are needed to balance the charge of one magnesium ion?

• 3

• 2

• 1

• 4

What is the charge on a sulfide ion?

• -2

• +1

• +2

• -1

What happens to the ions in an ionic compound when it is dissolved in water?

• They form covalent bonds

• They lose their charge

• They become immobile

• They are free to move

What is the correct formula for magnesium chloride?

• Mg2Cl3

• Mg2Cl

• MgCl2

• MgCl

Tags

NGSS.MS-PS1-1

What is the principle behind the formation of ionic bonds?

• Movement of neutrons

• Sharing of electrons

• Transfer of electrons

• Exchange of protons