Ionic and covalent bonding

Ionic bonds form between two ions that have...

• ionic compounds
• negative charges
• positive charges
• opposite charges

When an atom loses a valence electron, it becomes a(n) _________ion.

• positive 
• negative

In order to have a stable arrangement of 8 valence electrons, metal atoms are likely to _________electrons.

• gain
• lose

When an ionic bond is formed, electrons are _____.

• gained

• lost

• shared

• gained or lost

At atom that GAINS 1 electron will have what charge?

• +1

• +2

• -1

• -2

At atom loses 2 electrons, its charge becomes what

• +1

• +2

• -1

• -2

How many valence electrons does an atom need to become stable?

• 2

• 4

• 6

• 8

The formation of a covalent bond relies on the interaction or bonding of...

• 2 Nonmetals

• 1 Nonmetal & 1 Metal

• 2 Metals

• 2 Noble Gases

This is the displayed formula for what covalent compound?

• Water

• Hydrogen peroxide

• Hydrogen oxide

• Ethanol

Tags

NGSS.MS-PS1-1

How do covalent bonds form?

• Donating & receiving valence electrons between atoms

• Oppositely charged ions attract each other & form bonds

• Scientists are still not sure how they form

• Sharing valence electrons between atoms