Covalent and ionic bonding

When an atom loses an electron, it becomes a:

• positive ion

• negative ion

• neutral ion

• neutral atom

In a covalent bond...

• The metal atom gives its electrons to the non-metal

• The non-metal atom gives its electrons to the metal

• Both atoms share electrons

• Electrons are destroyed

An ionic bond occurs between _________.

• Two metals

• A metal and a non-metal

• Two non-metals

What is the correct formula for this molecule?

• NH
• N₃H
• NH₃
• NH₄

Elements in Group 1 lose one electron to form ions with a(n) _________________ charge.

• 1+

• 2+

• 0

• 1-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons are needed in the outer energy levels of an atom to be stable?

• 2

• 4

• 6

• 8

Which is the charge that results when oxygen becomes an ion?

• +3

• +2

• -2

• -3

LiF

• Ionic Bond

• Covalent Bond

• Both bonds

• Neither bond

Tags

NGSS.HS-PS1-3

MgBr₂

• Ionic Bond

• Covalent Bond

• Both bonds

• Neither bond

What is the correct formula for this molecule?

• NH

• N₃H

• NH₃

• NH₄