Chem test 1

Question 1

Acetate

Answer 1

C₂H₃O₂^-

Question 2

Carbonate

Answer 2

CO₃^2-

Question 3

Bicarbonate

Answer 3

HCO₃^-

Question 4

Hydroxide

Answer 4

OH^-

Question 5

Nitrite

Answer 5

NO₂^-

Question 6

Chromate

Answer 6

CrO₄^2-

Question 7

Phosphate

Answer 7

PO₄^3-

Question 8

Hydrogen Phosphate

Answer 8

HPO₄^2-

Question 9

Dihydrogen Phosphate

Answer 9

H₂PO₄^-

Question 10

Ammonium

Answer 10

NH₄⁺

Question 11

Hypochlorite

Answer 11

ClO^-

Question 12

chlorite

Answer 12

ClO₂^-

Question 13

Chlorate

Answer 13

ClO₃^-

Question 14

Perchlorate

Answer 14

ClO₄^-

Question 15

Sulfite

Answer 15

SO₃^2-

Question 16

Bisulfite

Answer 16

HSO₃^-

Question 17

Cyanide

Answer 17

CN^-

Question 18

Iodate

Answer 18

IO₃^-

Question 19

Bromate

Answer 19

BrO₃^-

Question 20

Nitrate

Answer 20

NO₃^-

Question 21

Dichromate

Answer 21

Cr₂O₇^2-

Question 22

ionic compound always contain _______ and ____________ ions

Answer 22

positive and negative

Question 23

In ionic compounds, the formula reflects the

Answer 23

smallest whole number ratio

Question 24

What are the predictable ionic elements?

Answer 24

Groups 1 and 2
zinc
silver
aluminum
nitrogen
phosphorus
oxygen
sulfur
fluoride
chloride
bromide
iodide

Question 25

What is aluminum’s ionic charge?

Answer 25

Al³⁺

Question 26

What is Zinc’s ionic charge?

Answer 26

Zn²⁺

Question 27

What is Silver’s ionic charge?

Answer 27

Ag₊

Question 28

What are the steps to determining the chemical formula for ionic compounds?

Answer 28

Write the ions first
look at the charges
balance the charges

Question 29

When you have 2 predictable ions that are not balanced, how do you balance them?

Answer 29

Swap the charges and place them in the subscripts

Question 30

How to name a binary compound?

Answer 30

cation (metal) anion (nonmetal) replace the ending with -ide

Question 31

Sulfate

Answer 31

SO₄^2-

Question 32

Bisulfate

Answer 32

HSO₄^-

Question 33

what type of elements do we use the cation charge formula for?

Answer 33

transition metals

Question 34

When do you use roman numeral when naming compounds?

Answer 34

When naming ions with multiple possible charges

Question 35

How do you know when to use the molecular naming rules vs the ionic naming rules?

Answer 35

Ions have charges associated with them. Molecular compounds do not

Question 36

Mono

Answer 36

1

Question 37

Di

Answer 37

2

Question 38

Tri

Answer 38

3

Question 39

Tetra

Answer 39

4

Question 40

Penta

Answer 40

5

Question 41

Hexa

Answer 41

6

Question 42

Hepta

Answer 42

7

Question 43

Octa

Answer 43

8

Question 44

Nona

Answer 44

9

Question 45

Deca

Answer 45

10

Question 46

When do you use prefixes for naming?

Answer 46

When naming molecular compounds

Question 47

When do you reduce the formula to it’s smallest ratio?

Answer 47

In Ionic formulas

Question 48

Acids always start with

Answer 48

a Hydrogen

Question 49

When naming acids that end in -Ide, add _____ to the beginning and change the ending to

Answer 49

Hydro
-Ic

my rIDE has HYDROlICs

Question 50

When naming acids that end in -ate change the ending to

Answer 50

-ic

I ATE something ICky

Question 51

When naming acids that end in -ite change the ending to

Answer 51

-ous

sprITE is deliciOUS

Question 52

Main group elements bond in such a way that each atom has ______

Answer 52

8 electrons

Question 53

In Ionic bonds, electrons are

Answer 53

given and taken

Question 54

In covalent bonds, electrons are

Answer 54

shared between the two

Question 55

Metals have low ionization energies and want to form

Answer 55

cations. They want to give up their electrons to become more stable

Question 56

nonmentals have negative electron affinities and want to form

Answer 56

anions. They want to add electrons to become more stable

Question 57

What are polar covalent bonds?

Answer 57

electrons are not shared equally with the electron density residing towards the more electronegative atom.

Question 58

What are nonpolar covalent bonds?

Answer 58

electrons are essentially shared equally between the atoms

Question 59

what does a high electronegativity mean?

Answer 59

high electron affinity

Question 60

What are the nonpolar covalent bond examples?

Answer 60

carbon-hydrogen
carbon-carbon
bonds with 2 of the same atoms
i.e. hydrogen-hydrogen