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Worksheets

2nd Six Weeks Test

Total questions: 35

Worksheet time: 31mins

Name
Class
Date
1.

Elements are arranged in a certain order in the periodic table, from left to right and top to

bottom. A pattern of repeating physical and chemical properties of the elements emerges. What

is this order of arrangement?

a)

decreasing order of the number of valence electrons in the atoms

b)

alphabetical order of the names of the elements

c)

increasing order of the atomic number of the elements

d)

increasing order of the number of neutrons in the atoms

2.

What subatomic particle is found on the OUTSIDE of the Nucleus?

a)

Negatively Charged particles only

b)

Positively Charged particles only

c)

Neutral Charged particles only

d)

Neutral particles and positively charged particles

3.

which is the odd one out

a)

Be

b)

Li

c)

As

d)

Hs

4.

which is a nonmetal

a)

Rn

b)

Mn

c)

Rb

d)

Os

5.

which is a metal

a)

N

b)

Ge

c)

K

d)

I

6.

which is a metaloid

a)

Kr

b)

Ga

c)

Sb

d)

Ir

7.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
8.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
9.
Which elements are found on the right side of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Water
10.
All of these properties describe metals except...
a)
malleable
b)
conductors
c)
brittle 
d)
shiny
11.
Which element is least likely to conduct heat and electricity? 
a)
O
b)
Si
c)
Po
d)
Ca
12.
How is Selenium classified?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Sedimentary
13.
Which of the given choices correctly shows the three main groups of elements listed from least conductivity to greatest conductivity?
a)
Metals, Nonmetals, Metalloids
b)
Nonmetals, Metalloids, Metals
c)
Metalloids, Metals, Nonmetals
d)
Nonmetals, Metals, Metalloids 
14.
How would this element be classified?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Metamorphic
15.

Which Bohr model represents Neon?

a)
b)
c)
d)
16.

Which Bohr model represents Be?

a)
b)
c)
d)
17.

Which Bohr model represents Oxygen?

a)
b)
c)
d)
18.

How many electrons does this element have?

a)

12

b)

11

c)

13

d)

10

19.

What is the mass of this atom?

a)

13

b)

14

c)

27

d)

1

20.

What is the mass of this element

a)

19

b)

20

c)

39

d)

1

21.

What are valence electrons?

a)

The total number of electrons in an atom

b)

The number of electrons in the outermost shell

c)

The number of electrons in the second shell

d)

The number of protons in the outermost shell

22.

All atoms are most stable with (or would "prefer") how many electrons in their valence shell?

a)

1

b)

2

c)

8

d)

18

23.
Valence electrons are: 
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
d)
Electrons in the second shell
24.
How many valence electrons are in an atom of Ar?
a)
2
b)
8
c)
4
d)
1
25.
How many valence electrons are in an atom of K?
a)
3
b)
8
c)
4
d)
1
26.
How many valence electrons are found in atoms of group 1?
a)
7
b)
6
c)
4
d)
1
27.
How many valence electrons are found in atoms of group 14?
a)
4
b)
3
c)
14
d)
16
28.
a)
2
b)
6
c)
10
d)
16
29.
a)
2
b)
3
c)
5
30.
a)
2
b)
8
c)
3
d)
13
31.
a)
6
b)
7
c)
8
d)
9
32.
What is the difference between the number of electrons in an atom of Calcium, Ca, and the number of electrons in an atom of Aluminum, Al?
a)
20
b)
7
c)
13
d)
27
33.
An element has 52 protons, how many electrons does it contain?
a)
52 electrons in the extremely dense nucleus
b)
52 electrons floating in the negatively charged orbital
c)
52 electrons floating in the positively charged orbital
d)
52 electrons in the negatively charged nuclues
34.

What determines the identity of an atom?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Valence Electrons

35.

How many protons, neutrons, and electrons are present in an atom of hafnium, Hf, with a mass

number of 178?

a)

72 protons, 178 neutrons, 106 electrons

b)

72 protons, 106 neutrons, 72 electrons

c)

178 protons, 250 neutrons, 72 electrons

d)

106 protons, 72 neutrons, 106 electrons