Unit 6

Question 1

What is a covalent bond?

Answer 1

Sharing of electrons (non-metals)

Question 2

What is an ionic bond?

Answer 2

Transfer of electrons (metals and non-metals)

Question 3

What is a metallic bond?

Answer 3

Unfixed sharing of electrons (sea of electrons) (metals)

Question 4

What shell is used in bonding?

Answer 4

The outermost shell

Question 5

What is the octet rule?

Answer 5

Atoms want a full outer shell (8 electrons)

Question 6

Why would single and double bonds be the same length?

Answer 6

Resonance structures

Question 7

What must happen in order for orbitals to mix and create molecular bonds?

Answer 7

Have similar energy levels
overlap well
be close

Question 8

Bond order =

Answer 8

(electrons in bonding - electrons in antibonding) / 2

Question 9

What is a coordinate bond commonly shown by?

Answer 9

An arrow showing the direction the lone pair of electrons is going

Question 10

Can electrons occupy antibonding orbitals?

Answer 10

Yes molecular orbitals are filled in the same way atomic orbitals are filled