Chemistry Sem 2 Unit 1

Question 1

Non-Polar Covalent Bond

Answer 1

nonmetals or metalloids
equal electron distribution

Question 2

Polar Covalent Bond

Answer 2

nonmetals or metalloid
unequal electron distribution

Question 3

Ionic Bond

Answer 3

metal and nonmetal
one gains electron(s)/one loses electron(s)

Question 4

Metallic Bond

Answer 4

metals
share free electrons, creates electron sea

Question 5

cation

Answer 5

positive

Question 6

anion

Answer 6

negative

Question 7

transition metals valence electrons

Question 8

trends: electronegativity, atomic radii, metallic properties, one other?

Answer 8

atomic radii and metallic properties go to bottom left, others go to top right

Question 9

When there are more protons than electrons, then

Answer 9

there is a stronger pull on electrons and the atom is smaller

Question 10

Ionic solid; type of atoms

Answer 10

metals and nonmetals

Question 11

Molecular solid; type of atoms

Answer 11

all nonmetal

Question 12

Network covalent solid; type of atoms

Answer 12

metals and nonmetals

Question 13

Metallic solids; type of atoms

Answer 13

all metal

Question 14

Network covalent solid structure

Answer 14

formula units

Question 15

Ionic solid; attractive force

Answer 15

ionic

Question 16

molecular solid; attractive force

Answer 16

covalent

Question 17

network covalent solid; attractive forces

Answer 17

covalent

Question 18

metallic solid; attractive force

Answer 18

metallic

Question 19

Ionic solid; melting point

Answer 19

high

Question 20

molecular solid; melting point

Answer 20

low

Question 21

network covalent solid; melting point

Answer 21

very high

Question 22

metallic solid; melting point

Answer 22

very high

Question 23

ionic solid; soluble

Answer 23

very soluble

Question 24

molecular solid; soluble

Answer 24

soluble

Question 25

network covalent solid; soluble

Answer 25

insoluble

Question 26

metallic solid; soluble

Answer 26

very insoluble

Question 27

ionic solid; hardness

Answer 27

hard

Question 28

molecular solid; hardness

Answer 28

soft/brittle

Question 29

network covalent solid; hardness

Answer 29

hard

Question 30

metallic solid; hardness

Answer 30

brittle