Chapter 8 key terms

Question 1

What is ionic bonding?

Answer 1

between metal and non metal
involve electron transfer
very exothermic
one element gives up an electron and the other gains an electron

Question 2

3 properties of ionic substances

Answer 2

-brittle
-high melting points
-crystalline

Question 3

What group of periodic table doesn’t follow octet rule?

Answer 3

transition metals

Question 4

What is covalent bonding?

Answer 4

atoms share electrons
primarily non metals

Question 5

What is electronegativity?

Answer 5

The ability of an atom in a molecule to attract electrons to itself

Question 6

What is formal charge?

Answer 6

the charge of an atom would have if all of the electrons in a covalent bond were shared equally

Question 7

What are localized electrons?

Answer 7

electrons specifically on one atom or shared between two atoms

Question 8

What are delocalized electrons?

Answer 8

electrons shared by multiple atoms

Question 9

What 3 types of ions or molecules that do not follow the octet rule?

Answer 9

1) ions or molecules with an odd number of electrons
2) ions or molecules with less than an octet
3) ions or molecules with more than eight valence electrons(an expanded octet)

Question 10

What is hypervalence and which elements are hypervalent?

Answer 10

it is when an element is in periods 3 through 6, it can use d-orbitals to make more than four bonds

Question 11

Relationship between number of bonds and bond length

Answer 11

multiple bonds are stronger than single bonds
as the number of bonds between 2 atoms increases, the bond length decreases