Ionic Bonding Vocab

Question 0

Covalent bond

Answer 0

Formed by the sharing of a pair of electrons
Strong electrostatic attraction between bonding pair of electrons and nuclei of atoms involved
Nonmetals
Form molecules

Question 1

Ionic bond

Answer 1

An strong electrostatic attraction between positive ion and negative ion (cation and anion)

Question 2

Methane

Answer 2

CH4

Question 3

Ammonia

Answer 3

NH3

Question 4

EthAne

Answer 4

(A bond)

C2H6

Question 5

Ethene

Answer 5

Double bond

C2H4

Question 6

Simple molecular/covalent structures

Answer 6

G/s/l
Low melting points
Often soluble in water
No charge so don't conduct in any state
Small numbers of atoms
Weak bonds between molecules
Strong bonds between atoms
Molecules only need to be SEPARATED NOT BROKEN

Question 7

Giant covalent structures

Answer 7

Extremely high melting points (large number of covalent bonds need to be BROKEN) - take a lot of heat to melt
Large-large numbers of atoms
Insoluble (giant structure)
Eg. SiO2 (sand), Graphite & Diamond

Question 8

Graphite

Answer 8

Many layers of carbons

Question 9

Graphine

Answer 9

One layer of carbons

Question 10

Electrolyte

Answer 10

Conducts electricity (non-electrolyte doesn’t conduct electricity)

Question 11

Allotrope

Answer 11

Alternative form of element

Different structure/properties