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Chem I Fall Final

Total questions: 50

Worksheet time: 2hrs 53mins

Name
Class
Date
1.

What does the topmost number (3) represent?

a)

Mass Number

b)

Atomic Number

c)

Atomic Mass

d)

Number of Neutrons

2.

What does the bottom most number (39.098) represent?

a)

Atomic number

b)

Atomic mass

c)

Number of protons

d)

Number of electrons

3.

What is the atomic number of Nickel? (enlarge the periodic table)

a)

110

b)

28

c)

46

d)

78

4.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

5.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

6.

A tendency of something to reoccur on regular intervals is known as

a)

Periodic Law

b)

Trends

c)

Periodicity

d)

Groups

7.

The Triad way to find the Atomic mass of

Cl (35.5)

Br ?

I (126.9)

Would be what?

a)

81.2

b)

79.9

c)

80.0

d)

79.0

8.
The shortest wavelength in visible light is______.
a)
violet
b)
red
c)
blue
d)
yellow
9.
_____ have the longest wavelengths and lowest frequencies of all electromagnetic waves.
a)
microwaves
b)
radio waves
c)
gamma rays
d)
ultraviolet
10.

On the Electromagnetic Spectra Which type has the highest energy and shortest wavelength?

a)

Microwaves

b)

FM Radio waves

c)

X Rays

d)

Infrared

11.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
12.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
13.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
14.

How many fire extinguishers are in the room?

a)

One

b)

Two

c)

Three

d)

Four

15.

What is never allowed in the lab?

a)

Eye safety

b)

Chemicals

c)

Food or Drink

d)

Music

16.
An ionic compound of calcium and chlorine would be named
a)
calcium chlorine.
b)
calcium chlorite.
c)
calcium chloride.
d)
chlorine calcium.
17.
The covalent compound N2O5 would be named
a)
nitrogen oxide.
b)
dinitrogen oxide.
c)
nitrogen pentoxide.
d)
dinitrogen pentoxide.
18.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
19.

A bond between a metal and a nonmetal is called a(n)

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

20.
What is the oxidation number for Gold in the formula AuO2?
a)
+2
b)
+1
c)
+4
d)
(II)
21.
a)
2
b)
8
c)
3
d)
13
22.

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

a)

31

b)

5

c)

15

d)

4

23.
In the chemical formula for an ionic compound, which item is written first?
a)
positive ion
b)
negative ion
c)
subscript
d)
the female
24.
Element or Compound?
H2SO4
a)
Element
b)
Compound
25.
Element or Compound?
Au
a)
Element
b)
Compound
26.

Name the following compound: FeCl3

a)

iron chloride

b)

iron III chloride

c)

iron II chloride

d)

iron III chlorate

27.

What is the name of Ca(NO3)2

a)

calcium nitrite

b)

calcium II nitrate

c)

calcium nitrate

d)

calcium nitride

28.
What is the charge on a chloride ion?
a)
-1
b)
1
c)
+2
d)
+1
29.

Name this compound:

AgF

a)

Silver (I) Fluoride

b)

Silver Fluorine

c)

Silver Fluoride

d)

Silver (I) Fluorine

30.
Ba+2, Br-1
a)
BrBa
b)
Br2Ba2
c)
BaBr2
d)
Br2Ba
31.

Which of the following is an example of a physical change? A) Burning wood B) Melting ice C) Rusting of iron D) Cooking an egg

a)

A) Burning wood

b)

C) Rusting of iron

c)

D) Cooking an egg

d)

B) Melting ice

32.

Which of the following is NOT a physical change? A) Boiling water B) Tarnishing of silver C) Digesting food D) Cutting paper

a)

A

b)

B

c)

C

d)

D

33.
How many atoms of iodine are in a mole of iodine?
a)
53
b)
63.55g
c)
126.9
d)
6.02 x 1023
34.

Which of the following is the correct formula for these two ions: Al+3 & S-2

a)

AlS3

b)

Al2S3

c)

Al3S2

d)

Al3S

35.

If I had a cation with a charge of 2+ how would you describe the formation of that ion?

a)

gained 2 electrons

b)

lost 2 electrons

c)

gained 4 electrons

d)

lost 4 electrons

36.

Which of the following could form an ionic compound? Check all that apply.

a)

Na+ and F-

b)

S2- and O2-

c)

Ca2+ and Fe3+

d)

Mg2+ and Cl-

37.
Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?
a)
There are 2 bromide ions for every magnesium ion
b)
Bromide has a 2- charge
c)
Bromide has a 2+ charge
d)
There are 2 magnesium ions to every bromide ion
38.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

39.

Covalent compounds are formed between

a)

a metal and a nonmetal

b)

two nonmetals

c)

two metals

d)

ions

40.

In covalent compounds, electrons are

a)

lost

b)

gained

c)

shared

d)

stolen

41.

Name the following compound: N2O5

a)

Dinitrogen oxide

b)

Dinitrogen pentoxide

c)

Nitrogen pentoxide

d)

Pentanitrogen dioxide

42.

How many protons are in Sodium?

a)

11

b)

22

c)

12

d)

33

43.

How many neutrons are in Magnesium?

a)

36

b)

12

c)

24

d)

6

44.
As you move down the periodic table atoms get bigger.  This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more nuetrons
45.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium 
c)
francium
d)
cesium
46.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
47.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
48.

Mg(NO3)2

a)

magnesium nitrate

b)

magnesium nitrite

c)

magnesium nitride

d)

magnesium nitrogen oxide

49.

CaSO4

a)

calcium sulfate

b)

calcium sulfite

c)

calcium sulfide

d)

calcium (II) sulfite

50.

CuClO2

a)

copper chlorite

b)

copper chlorate

c)

copper chloride

d)

copper (I) chlorite

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