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Chemical Names and Formulas Sci 24

Total questions: 74

Worksheet time: 3hrs 36mins

Name
Class
Date
1.

The correct name for CaBr2 is

a)

calcium dibromide

b)

calcium (II) bromide

c)

calcium bromide

d)

carbon bromide

2.

In a chemical formula, the total positive charge and negative charge must add up to equal _____.

a)

0

b)

1

c)

2

d)

3

3.

When writing chemical formulas, the ______ is always written first.

a)

Nonmetal

b)

Least electronegative

c)

negative

d)

positive

4.

What is the correct name of the compound CaCl2?

a)

Calcium dichloride

b)

Calcium dichlorine

c)

Calcium chlorine

d)

Calcium chloride

5.

All binary compounds end with_____.

a)

-ous

b)

-ate

c)

-ide

d)

-ite

6.

What is the correct name for the compound LiF?

a)

Lithium fluoride

b)

Lithium fluorine

c)

monolithium monofluoride

d)

lithium monofluoride

7.

What is the correct formula for aluminum sulfide?

a)

Al3S2

b)

Al2S

c)

AlS2

d)

Al2S3

8.

What is the correct formula for the compound calcium carbide?

a)

CaC

b)

Ca2C

c)

CaC2

d)

Ca2C4

9.

What is the correct chemical formula for magnesium iodide?

a)

MgI2

b)

Mg2I

c)

MgI

d)

Mg2I2

10.
What is the NAME of....
Na2S
a)
sodium (II) sulfide
b)
sodium sulfide
c)
disodium sulfide
d)
sodium sulfur
11.
What is the NAME of....
Mg3N2
a)
magnesium (III) nitride
b)
magnesium (II) nitride
c)
magnesium (II) nitrogen
d)
magnesium nitride
12.
What is the NAME of...
CrN
a)
chromium (II) nitride
b)
chromium (III) nitride
c)
chromium nitride
d)
chromium (I) nitride
13.
What is the NAME of...
PtO2
a)
platinum (II) oxide
b)
platinum (IV) oxide
c)
platinum oxide
d)
platinum (I) oxide
14.
What is the NAME of...
FeP
a)
Iron (II) phosphide
b)
Iron phosphide
c)
Iron (III) phosphide
d)
Iron (III) phosphorus
15.
What is the FORMULA for....
beryllium iodide
a)
Be2I
b)
BeI
c)
BeI2
d)
BI2
16.
What is the formula for tin (II) nitride?
a)
Sn3N2
b)
SnN2
c)
Sn3N
d)
SnN
17.
Fe+3 combines with S-2 to form 
a)
Fe+4(S)=3
b)
Fe2S4
c)
Fe2S3
d)
Fe3S2
18.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
19.
Element or compound?
H2O
a)
element
b)
compound
20.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
21.
Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
22.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
23.
Calcium is most like which of the following?
a)
Barium
b)
Potassium
c)
Cesium
d)
Nitrogen
24.
The blue atoms are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
25.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
26.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
27.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
28.
How many carbon atoms (C) are in a CO2 molecule?
a)
1
b)
2
c)
3
d)
0
29.
How many Oxygen atoms (O) are in a  molecule  of CO2
a)
1
b)
2
c)
3
d)
0
30.
How many Hydrogen atoms (H) are in a molecule of H2O?
a)
1
b)
2
c)
3
d)
0
31.
How many oxygens atoms ( O )atoms in a molecule of H2O?
a)
1
b)
2
c)
3
d)
0
32.
The small number to the right of an elemental symbol  ( H2) is called?
a)
 a subscript 
b)
a coefficient 
c)
a variable 
d)
a divisor 
33.
A series of numbers and letters that are used to represent a molecule
a)
physcial property 
b)
chemical property 
c)
chemical formula 
d)
atom
34.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
35.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
36.
Element or compound?
H2O
a)
element
b)
compound
37.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
38.

What is the coefficient for this formula? 9NaCl2

a)

9

b)

2

c)

1

d)

11

39.

What is the subscript in this formula? 3N2ONe

a)

3

b)

2

c)

1

d)

5

40.

This tells you the number of molecules you have of a substance

a)

coefficient

b)

subscript

c)

exponent

d)

chemical formula

41.

This tells you how many atoms of an element you have in a chemical formula

a)

coefficient

b)

subscript

c)

chemical symbol

d)

atomic number

42.

Is this equation balanced?

2H2O yields H2 + 2O2

a)

Yes

b)

No

43.

Is this equation balanced?

C + 2H2 yields CH4

a)

No

b)

Yes

44.

What is the correct formula for potassium sulfide?

a)

K2S

b)

P2S

c)

KS2

d)

KS

45.

What is the correct formula for potassium phosphide?

a)

K3P

b)

KP

c)

KP3

46.

What is the correct formula for Beryllium fluoride?

a)

BeF

b)

Be2F

c)

BeF2

47.

Which is the correct formula for copper (II) fluoride?

a)

Cu2F

b)

CuF2

c)

CuF

48.

Which is the correct formula for Tin (I) sulfide?

a)

SnS

b)

SnS2

c)

Sn2S

49.

Which is the correct formula for Chromium (II) sulfide?

a)

CrS

b)

Cr2S

c)

CrS2

50.

Which is the correct formula for Aluminum chloride?

a)

Al3Cl

b)

AlCl3

c)

AlCl

51.

Which is the correct name for AgO2?

a)

Silver oxide

b)

Silver (I) oxide (II)

c)

Silver (II) oxide

d)

Silver (IV) oxide

52.

Which is the correct name for CrN?

a)

Chromium (I) nitride

b)

Chromium (III) nitride

c)

Chromium nitride

d)

Chromium (VI) nitride

53.

Which is the correct name for Li2S?

a)

Lithium (II) sulfide

b)

Lithium sulfide

c)

Sulfide lithium

d)

Lithium (I) sulfide

54.

Identify the formula for this combination Sr2+ and I1-

a)

Sr2I

b)

SrI2

c)

SrI

55.

Identify the formula for this combination Al3+ and O2-

a)

Al3O2

b)

AlO

c)

Al2O3

56.

Identify the formula for this combination Ca and O

a)

Ca2O2

b)

CaO

c)

Ca2O

d)

CaO2

57.

Identify the formula for this combination Be and I

a)

Be2I

b)

BeI2

c)

BeI

58.
What is formula for Calcium Chloride?
a)
CaCl
b)
CaCl2
c)
CaClO3
d)
CaC2
59.
What is the formula for Iron (II) Bromide?
a)
FeB
b)
FeBr
c)
FeBr2
d)
IrB
60.
What is the name of BaO?
a)
barium (II) oxide
b)
barium oxide
c)
barium oxygen
d)
barium (I) oxide
61.
What is the correct name for the salt with the formula CaI2?
a)
calcium diodide
b)
calcium iodide
c)
calcium iodine
d)
dicalcium iodine
62.
How do you correctly write the formula for Iron (III) oxide?
a)
FeO
b)
FeO3
c)
Fe2O3
d)
Fe3O
63.
A physical change is?
a)
It changes the object into something different
b)
Objects or substances undergo a change that does not change their chemical composition
c)
it is just like a chemical reaction
d)
Paper burning
64.
A chemical change is?
a)
a shoe lace cut in half
b)
doesn't change anything
c)
changes the look of an object
d)
change that results in the formation of new chemical substances
65.
The arrow symbol used in a chemical equation
a)
Yield sign
b)
Subscript
c)
Coefficient
d)
Chemical formula
66.
A way to show the number and type of elements (atoms) in a molecule or compound with a combination of symbols and numbers.
a)
Molecule
b)
Chemical formula
c)
Physical change
d)
Coefficient
67.
The small number that is written below the symbol and shows how many atoms of each element is present.  
a)
Compound
b)
Molecule
c)
Coefficient
d)
Subscript
68.
The large number written in front of a chemical formula.  It shows the number of molecules.
a)
Molecule
b)
Compound
c)
Coeffiecient
d)
Subscript
69.
Which of the following is NOT an element?
a)
H2O
b)
H2
c)
O2
d)
Au
70.

How many different ELEMENTS are in H2O?

a)

1

b)

2

c)

3

d)

4

71.
What is NaHCO3 
(Baking Soda) made up of?
a)
1 sodium, 1 hydrogen,
1 carbon, 3 oxygen
b)
1 sodium, 1 hydrogen, 3 cobalt
c)
1 nitrogen, 1 hydrogen, 3 cobalt
d)
1 nitrogen, 1 hydrogen, 3 cobalt
72.
What is Fe2O3
(rust) made up of?
a)
1 flourine, 2 einsteinium,
3 oxygen
b)
2 fluorine, 3 oxygen
c)
2 iron, 3 oxygen
d)
2 iron, 3 osmium
73.
Which one can be found on the periodic table?
a)
Compound 
b)
Element
74.

Challenge: How many sodium (Na) atoms are in 6Na2Cl ?

a)

6

b)

12

c)

2

d)

1

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