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Unit Assessment Review

Total questions: 70

Worksheet time: 35mins

Name
Class
Date
1.

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

a)

18 protons

b)

40 protons

c)

22 protons

d)

21.9 protons

2.

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

a)

18 neutrons

b)

40 neutrons

c)

22 neutrons

d)

21.9 neutrons

3.

Look at this picture of Argon off the periodic table. Which of the following is true for this element when it is neutral?

a)

18 electrons

b)

40 electrons

c)

22 electrons

d)

21.9 electrons

4.

Which part of an atom is used to identify it?

a)

number of protons

b)

number of neutrons

c)

number of electrons

5.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

6.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
7.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
8.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
9.
Where electrons are likely to be found as they travel around the nucleus
a)
Nucleus
b)
Electron Cloud
c)
Within a Proton
d)
Within a Neutron
10.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
11.
Arrangement of elements organized by atomic number
a)
Electron Cloud 
b)
Periodic Table 
c)
Electron Configuration
d)
None of these
12.

Calculation used to find the number of neutrons in an atom

a)

Mass Number- Atomic Number

b)

Atomic Number - Mass Number

c)

Mass Number - Electrons

d)

protons = electrons = neutrons

13.
How many protons does an aluminium atom have? (Use the image to help you)
a)
27
b)
14
c)
40
d)
13
14.
How many neutrons does a sodium atom have? (Use the image to help you)
a)
23
b)
11
c)
12
d)
34
15.
Atoms of the same element must always have the same number of _________
a)
electrons
b)
neutrons
c)
isotopes
d)
protons
16.

What happens to the atomic numbers as you move from left to right on the periodic table?

a)

Increase

b)

Decrease

c)

Stay the same

d)

Nothing

17.

Which of the following elements is most likely to have similar properties to those of sodium (Na)?

a)

Magnesium (Mg)

b)

Sulfur (S)

c)

Francium (Fr)

d)

Titanium (Ti)

18.

If an element has 117 protons which group will it be in on the periodic table?

a)

1

b)

7

c)

11

d)

17

19.

Which element is located in group 3?

a)

Yttrium (Y)

b)

Carbon (C)

c)

Sodium (Na)

d)

Lithium (Li)

20.

Which element is located in period 4?

a)

Zirconium (Zr)

b)

Silicon (Si)

c)

Beryllium (Be)

d)

Iron (Fe)

21.

Two elements that have similar physical and chemical properties are most likely in the same...

a)

period

b)

row

c)

group

22.

Which element is most likely to have six valence electrons?

a)

Barium (Ba)

b)

Carbon (C)

c)

Oxygen (O)

d)

Americium (Am)

23.

Which element is most likely to have three electron energy levels?

a)

Argon (Ar)

b)

Lithium (Li)

c)

Boron (B)

d)

Europium (Eu)

24.

Which element is located in period 4 and group 5?

a)

Vanadium (V)

b)

Zirconium (Zr)

c)

Niobium (Nb)

d)

Titanium (Ti)

25.

In which group would an element that is not reactive most likely be located?

a)

1

b)

2

c)

16

d)

18

26.

In which group would an element that is very reactive most likely be located?

a)

1

b)

5

c)

15

d)

18

27.

In which group would an element that is a gas most likely be located?

a)

1

b)

3

c)

12

d)

18

28.

Which of the following elements is most likely a metal?

a)

W

b)

X

c)

Y

d)

Z

29.

Which of the following elements is most likely a metalloid?

a)

W

b)

X

c)

Y

d)

Z

30.

Which of the following elements is most likely a poor conductor of electricity?

a)

Beryllium (Be)

b)

Gold (Au)

c)

Phosphorus (P)

d)

Copper (Cu)

31.

Which of the following has four neutrons?

a)

Calcium (Ca)

b)

Lithium (Li)

c)

Beryllium (Be)

d)

Oxygen (O)

32.

What is the atomic mass of an element with 16 protons, 13 neutrons, and 16 electrons?

a)

13 amu

b)

16 amu

c)

29 amu

d)

45 amu

33.

How many neutrons are located in the nucleus of an atom that has 12 protons, 12 electrons, and an atomic mass of 28 amu?

a)

12

b)

16

c)

28

d)

40

34.
Substance that consists of one type of atom.  It is a pure substance. Found on the Periodic Table. 
a)
Element
b)
Compound
c)
Mixture
d)
I don't know
35.
A type of substance containing atoms of two or more elements chemically bonded together is a mixture.
a)
Ture
b)
False
36.
Combinations of 2 or more substances (elements and compounds) that are physically blended together. 
a)
Compound
b)
Mixture
c)
Element
d)
Substance
37.
Salad is an example of...
a)
a mixutre
b)
an element
c)
a compound
38.
Pure oxygen (O) is an example of...
a)
an element
b)
a mixture
c)
a compound
39.
An example of ...
a)
A mixture
b)
A compound
c)
An element 
40.
Elements can be broken down into simpler substances. 
a)
false 
b)
true 
c)
sometimes 
41.
Examples are milk and gasoline.
a)
elements
b)
mixtures
c)
compounds
42.

Examples are diamonds (C) and Uranium (U)

a)

elements

b)

mixtures

c)

compounds

43.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
44.
What is H2SO4 
 made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
45.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
46.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
47.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
48.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements & Compounds
d)
Mixture of Compounds
49.
Classify the picture with the correct label.
a)
Compounds
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Elements & Compounds
50.
Classify the picture with the correct label.
a)
Mixture of Elements
b)
Compound
c)
Mixture of Compounds
d)
Element
51.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Compounds
d)
Mixture of Elements
52.
Classify the picture with the correct label.
a)
Mixture of Compounds
b)
Mixture of Elements
c)
Compound
d)
Mixture of Elements & Compounds
53.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
54.
NaHCO3 is an example of —
a)
an abbreviation
b)
a compound
c)
a mixture
d)
an element
55.

What is an example of a mixture?

a)

Table salt

b)

Salt water

c)

Oxygen

d)

Air

56.
Which of the following is a way in which elements and compounds are similar?
a)
Elements and compounds are pure substances.
b)
Elements and compounds are both made up of different kinds of atoms.
c)
Elements and compounds can both be broken down by physical means.
d)
Elements and compounds are listed on the periodic table.
57.
Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
58.
Number of C's in 2Na₂CO₃
a)
1
b)
2
c)
3
d)
5
59.
The number of Na's in Na₂CO₃
a)
1
b)
2
c)
3
d)
6
60.
How many Elements are in the compound C2H8O ?
a)
2
b)
1
c)
3
d)
0
61.
How many total atoms are in the compound C2H8O ?
a)
11
b)
2
c)
8
d)
1
62.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
63.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
64.
How many Chlorine are in MgCl2?
a)
2
b)
1
c)
3
65.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
66.
How many atoms of Hydrogen are in this compound
a)
1
b)
2
c)
3
d)
4
67.
How many atoms of Oxygen are in this compound?
a)
1
b)
2
c)
3
d)
4
68.
How many atoms are in the element Carbon in this compound?
H2C3O4N5
a)
2
b)
3
c)
4
d)
5
69.
How many TOTAL atoms are in this compound?
H2C3O4N5
a)
5
b)
14
c)
15
d)
19
70.
a capital letter or combination of a capital letter and a small letter that is used to represent an element is called a(n) ________
a)
chemical symbol
b)
element sign

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