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Atom and Periodic Table

Total questions: 31

Worksheet time: 8hrs 45mins

Name
Class
Date
1.
The second energy level can hold up to how many electrons?
a)
2
b)
8
c)
10
d)
12
2.
How do you find out the number of neutrons in an atom?
a)
atomic number
b)
atomic mass
c)
charge
d)
atomic mass - atomic number
3.
A substance that is made up for one type of atom is called an:
a)
atom
b)
element
c)
compound
d)
mixture
4.
How are elements ordered on the Periodic Table?
a)
Alphabetical Order
b)
By their color.
c)
By their atomic mass.
d)
By their atomic number.
5.
The first energy level can hold up to how many electrons?
a)
8
b)
4
c)
2
d)
5
6.
What are the number of electrons in Carbon?
a)
12
b)
10
c)
6
d)
14
7.
Which is an electron?
a)
A
b)
B
c)
C
8.
The subatomic particle with a neutral charge is:
a)
protons
b)
electrons
c)
neutrons
d)
cloud
9.
Which type of subatomic particles have the LEAST amount of mass?
a)
protons
b)
electrons
c)
neutrons
d)
nucleus
10.
How many protons does this element have?
a)
40
b)
21
c)
20
d)
41
11.

Elements in the same _________ have the same number of valence electrons.

a)

Period

b)

Group

12.

How many neutrons does Chlorine (Cl) with an atomic number of 17 and an atomic mass of 35.

a)

17

b)

18

c)

19

13.

What is the number of valence electrons (electrons in the outermost shell) of Neon (Ne)?

a)

1

b)

5

c)

8

14.

Which of the following is the correct symbol for sodium?

a)

S

b)

Na

c)

So

d)

N

15.

The mass number of an element is the amount of _________ it has.

a)

protons

b)

protons and neutrons

c)

electrons

d)

neutrons

16.

Which element would you expect to be located in group 2 of the periodic table?

a)

Lithium

b)

Carbon

c)

Sulfur

d)

Beryllium

17.
What element is this?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
18.
What element is this model showing?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
19.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
20.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
21.

an atom or group of atoms that has gained or lost one or more electrons and is now either positively or negatively charged

a)

isotope

b)

ion

c)

orbital

d)

nucleus

22.

Name of Group 1 in the periodic table

a)

Non-metals

b)

Transition Metals (Groups 3-12)

c)

alkali metals (group 1)

d)

metalloids (semimetals)

23.

Name given to Group 2

a)

period

b)

Alkali Earth Metals (Group 2)

c)

metalloids (semimetals)

d)

alkali metals (group 1)

24.
Sodium (Na) is found in group 
a)
1
b)
2
c)
3
d)
4
25.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

26.

How many valence electrons (electrons in the outermost shell)?

a)

2

b)

3

c)

5

d)

10

27.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

28.

In the molecule C6H12O6, how many hydrogen atoms are there?

a)

1

b)

6

c)

12

d)

24

29.
How many carbon atoms (C) are in a CO2 molecule?
a)
1
b)
2
c)
3
d)
0
30.
When a molecule is made up of more than two different elements ( Example CO2)  we call this .......................
a)
a mixture 
b)
atom
c)
a compound 
31.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4

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