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Unit 1 Quiz: Atomic Structure; Physical Properties; PTE

Total questions: 37

Worksheet time: 46mins

Name
Class
Date
1.

Which two subatomic particles are in the nucleus?

a)

Protons and Neutrons

b)

Protons and Electrons

c)

Neutrons and Electrons

2.

Protons have a ________________charge.

a)

positive

b)

negative

c)

neutral

3.

Electrons have a ____________ charge.

a)

positive

b)

negative

c)

neutral

4.

Which subatomic particle is NOT located in the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

5.
The atomic number of an element is the same as the number of ________ in the nucleus.
a)
Protons
b)
Neutrons
c)
Protons + Neutrons
d)
Electrons
6.

Which subatomic particle determines the identity of an element?

a)

protons

b)

neutrons

c)

electrons

7.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
8.

Elements on the periodic table increase by and are organized...

a)

atomic mass

b)

size

c)

mass number

d)

atomic number

9.
All matter is made of what?
a)
energy 
b)
atoms 
c)
volume
d)
compounds 
10.

Found in the nucleus of an atom, this subatomic particle has a neutral (or no ) charge

a)

Neutron

b)

Proton

c)

Electron

d)

Whattheheckatron

11.
How many protons does this atom have?
a)
2.5
b)
6
c)
5
d)
10.811
12.
In order for me to find the number of neutrons, I must round the atomic mass and then do what?
a)
atomic number-atomic mass
b)
atomic number x atomic mass
c)
atomic mass + atomic number
d)
atomic mass - atomic number
13.

I am a metal and I have 30 electrons. My atomic mass is 65.38 amu's. What element am I? (use your periodic table)

a)

Chromium

b)

Terbium

c)

Uranium

d)

Zinc

14.

What particle does NOT decide the identity of an atom/element?

a)

proton

b)

neutron

c)

melting point

d)

density

15.

Nonmetals are found to the ________of the dark zig-zag on the periodic table.

a)

A. right

b)

B. middle

c)

C. left

16.
Metals appear to the _______ of the dark ziz-zag line on the periodic table. 
a)
A. right
b)
B. middle
c)
C. left
17.
How would this element be classified?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Metamorphic
18.
If an object breaks easily, that means it is probably-
a)
malleable
b)
brittle
c)
ductile
19.
Some students conducted a laboratory investigation to learn more about the physical properties of different elements. They observed four samples and recorded their observations in the table . Based on these observations, which sample is most likely a nonmetal?
a)
Sample 1
b)
Sample 2
c)
Sample 3
d)
Sample 4
20.
A student is given a sample of an unknown substance. He is asked to determine if it is classified as a metal, a metalloid, or a nonmetal. He discovered that the unknown element conducted some heat and electricity, had a shiny luster, and broke easily. This element is most likely a 
a)
metal
b)
nonmetal
c)
metalloid
d)
cannot be determined
21.
´Elizabeth was examining elements and their physical properties. She described an element is her science journal as having no shine, an insulator, and  very brittle. What would this element be a metal, nonmetal, or metalloid?
a)
metal 
b)
nonmetal 
c)
metalloid
22.
Which element is a metalloid?
a)
Titanium
b)
Selenium
c)
Potassium
d)
Polonium
23.

Identify the element from the following:


Period 3

Dull

Semi-conductor

Malleable

a)

Aluminum

b)

Nitrogen

c)

Potassium

d)

Silicon

24.
The symbol "K" represents which element?
a)
Magnesium
b)
Iron
c)
Potassium
d)
Copper
25.
What period is Silicon found in?
a)
1
b)
2
c)
3
d)
4
26.

Elements with properties that fall between those of metals and nonmetals.

a)

metalloid

b)

electron

c)

transition metal

d)

proton

27.

What is the atomic mass of an atom with 16 protons, 16 electrons, and 18 neutrons?

a)

34 AMU

b)

18 AMU

c)

16 AMU

d)

2 AMU

28.
What is the atomic number of an element with 12 protons, 13 neutrons and 12 electrons?
a)
12
b)
13
c)
25
d)
24
29.
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
a)
20
b)
10
c)
5
d)
25
30.
How many neutrons are contained in a neutral atom of: 
a)
7
b)
14
c)
8
d)
9
31.
An element is: 
a)
a substance that cannot be broken down into any other substance
b)
found on the periodic table
c)
made up of atoms
d)
All answers are correct
32.

PHYSICAL properties are

a)

properties that can be observed without changing the identity of the substance

b)

properties that describe how a substance changes into a completely different substance

33.
Which element is most likely to conduct heat and electricity?
a)
nitrogen
b)
aluminum
c)
helium
d)
oxygen
34.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
35.
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
36.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
37.

What is the density of a liquid that has a mass of 27g and a volume of 3mL?

a)

9 g/mL

b)

3 g/mL

c)

30 g/mL

d)

81 g/mL

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