Unit 3

Question 1

what elements have a +1 charge

Answer 1

alkali metals

Question 2

what elements have a +2 charge

Answer 2

alkali earth metals

Question 3

what elements have a -1 charge

Answer 3

halogens

Question 4

name some polyatomic ions
9 answers

Answer 4

carbonate
chlorite
sulfate
hydroxide
nitrite
phosphate
sulfite
chlorate

Question 5

Ionic Bonds involve the ____ of valence electrons between
atoms

Answer 5

transfer

Question 6

Ionic Bonds form between a _____

Answer 6

metal + nonmetal

Question 7

Covalent Bonds involve the _____ of valence electrons between
atoms

Answer 7

sharing

Question 8

Covalent Bonds form between

Answer 8

nonmetals

Question 9

If there is a metal in the compound, the compound is ______

write the name of the ____

write the name of the
_____ + add _____ where it makes sense.

Answer 9

ionic
metal
nonmetal + “ide”

Question 10

if there is not a metal in the compound, the compound is ______

Answer 10

covalent

Question 11

write the name of the first _____________

if the subscript is 1 DON’T add

write the name of the second nonmetal and add the prefix + _____

Answer 11

nonmetal
mono
“ide”

Question 12

what is oxygen?

Answer 12

an element

Question 13

what is the name of the compound created between lithium + fluorine

Answer 13

lithium flouride

Question 14

what is the name of the compound created between sodium + fluorine

Answer 14

sodium fluoride

Question 15

what type of compound is created between a metal and a nonmetal?

Answer 15

ionic

Question 16

what type of compound is CaCl2

Answer 16

ionic

Question 17

which two subatomic particles have the same mass

Answer 17

protons and neutrons

Question 18

What are the subatomic particles?

Answer 18

proton, neutron, electron

Question 19

when naming an ionic compound, what do u add to the nonmetal

Answer 19

ide

Question 20

what type of bond in shown in the diagram below
SHARING

Answer 20

covalent

Question 21

Atoms prefer to have eight electrons in their valence shell for stability. What is this rule called?

Answer 21

octet

Question 22

how many elements are in the compound shown
-how many LETTERS are shown

Answer 22

2

Question 23

when naming a covalent compound, when do you add the prefix to the first element

Answer 23

if its greater than one

Question 24

what contains most of an atoms mass?

Answer 24

nucleus

Question 25

the number of this particle is the atomic number and determines what an element is?

Answer 25

proton

Question 26

what is a positive ion called

Answer 26

cation

Question 27

how many electrons does a group 7 atom need to gain in order achieve a full octet -8 minus that number is the answer

Answer 27

1

Question 28

what occupies very little of an atom's nucleus

Answer 28

volume

Question 29

what is the name of the compound shown in the diagram

Answer 29

carbon tetrafluoride

Question 30

what types of elements form ionic compounds

Answer 30

metals and nonmetals

Question 31

what charge will a neon ion have

Answer 31

0

Question 32

what gets transferred in an ionic bond

Answer 32

valence electrons

Question 33

what do elements do with electrons in a covalent bond

Answer 33

sharing

Question 34

what types of elements form covalent bonds

Answer 34

nonmetals

Question 35

how many atoms are shown in the model -how many bubbles are there

Answer 35

4

Question 36

what is a negative ion called

Answer 36

anion

Question 37

what charge will a nitrogen ion have

Answer 37

-3