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Atomic Structure and The Periodic Table

Total questions: 50

Worksheet time: 35mins

Name
Class
Date
1.

Each column in the periodic table is called a

a)

period

b)

group

c)

cluster

d)

unit

2.

The period for Bromine is ___________.

a)

3

b)

2

c)

4

3.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
4.

The periodic table has __ periods.

a)

18

b)

8

c)

2

d)

7

5.

An element's identity is determined by the number of

a)

electrons.

b)

protons.

c)

neutrons.

d)

valence.

6.

What period and group is Silver (Ag)?

a)

Period 2, Group 1

b)

Period 3, Group 16

c)

Period 5, Group 11

d)

Period 2, 14

7.

A ___________ is an arrangement of elements in columns

a)

columns

b)

rows

c)

periodic table

d)

electron shell

8.

What does the 1.00794 stand for?

a)

Hydrogen

b)

atomic number

c)

atomic mass

d)

atomic explosion

9.

The atomic number tells you what?

a)

number of electrons

b)

number of protons

c)

number of neutrons

d)

both electrons and protons in an atom.

10.

What is the atomic mass of Neon?

a)

10

b)

20.18

c)

10.18

d)

20

11.

What is the smallest unit of matter called

a)

elements

b)

atoms

c)

compounds

d)

cells

12.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
13.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
14.

The majority of an atom's mass exists where?

a)

In the nucleus

b)

In the electron cloud

c)

In the space between the nucleus and the electrons

d)

In the neutrons

15.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
16.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
17.
The horizontal rows on the Periodic Table are
a)
Families
b)
Groups
c)
Periods
d)
Metals
18.
Which 2 Subatomic Particles make up the Nucleus of atoms?
a)
Protons & Electrons
b)
Neutrons & Electrons
c)
Protons & Neutrons
19.

Protons have a ________ electrical charge.

a)

Negative (-)

b)

Positive (+)

c)

Neutral (No Charge)

20.
In this picture, the Electrons are found in which color?
a)
Blue
b)
Red
c)
Green
21.

Neutrons have a __________ electrical charge.

a)

Positive (+)

b)

Negative (-)

c)

Neutral (No Charge)

22.

Electrons in atoms are found where?

a)

In the Nucleus

b)

In the Shell/Level around the Nucleus

23.

Matter in the universe is made from atoms. Atoms make up these pure substances that cannot be broken down into a simpler form.

a)

Compounds

b)

Elements

c)

Molecules

d)

Periodic Table

24.
An Element's _____ _____ refers to just the number of Protons in the Nucleus.
a)
Atomic Mass
b)
Atomic Number
c)
Subatomic Particle
25.
An Element's ______ ______ is made up of Protons & Neutrons
a)
Atomic Number
b)
Atomic Mass
c)
Period Number
d)
Family Group
26.
The Element Symbol for Sodium is
a)
Mg
b)
Na
c)
Au
d)
Cl
27.
What is the element symbol for Carbon?
a)
Co
b)
C
c)
Ca
d)
Cu
28.
What is the Atomic Mass of Carbon?
a)
6
b)
C
c)
12.01
29.
Which element symbol is NOT written correctly?
a)
Fe
b)
H
c)
al
d)
Ne
30.
The smallest units of matter in the universe are
a)
Molecules
b)
Compounds
c)
Elements
d)
Atoms
31.
What are the building blocks of matter?
a)
Matter
b)
Atom
c)
Molecule
d)
Element
32.
Which element is located at Period 5, Group 2? 
a)
Niobium
b)
Strontium
c)
Nitrogen
d)
Phosphorus
33.
Which element is located at Period 7, Group 4? 
a)
Maganese
b)
Chlorine
c)
Rutherfordium
d)
Iodine
34.
ATOMIC NUMBER is the number of protons AND electrons.
a)
True
b)
False
35.

How many neutrons does Calcium have?

a)

20

b)

40

c)

20.08

d)

60

e)

Ladies, make sure to ask me after class which one of the guy got this question right. :)

36.
Which of the following are located outside the nucleus and have a negative charge?
a)
Electron
b)
Proton
c)
Neutron
37.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
38.
The number at the bottom of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
chemical symbol
d)
element name
39.

What period and group is Silver (Ag)?

a)

Period 2, Group 1

b)

Period 3, Group 16

c)

Period 5, Group 11

d)

Period 2, 14

e)

Gentlemen, ask me after class which girls got this correct. Set your standards high!!!!!

40.
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
a)
20
b)
10
c)
5
d)
25
41.

Elements

a)

are pure substances

b)

found on the periodic table

c)

made up of atoms

d)

all of the above

42.

Which of the following is an example of a heterogeneous mixture?

a)

Pepsi

b)

an 8th grade girls class

c)

a pocket full of pennies

d)

animals at the zoo

43.

Compounds are made up of

a)

an element

b)

two or more of the same element that are physically combined

c)

two or more of the different elements that are chemically combined

d)

two or more pounds

44.

Which of the following is a compound

a)

hydrogen and oxygen

b)

H2O

c)

hydrogen

d)

oxygen

45.

Which of the following is a mixture

a)

H2O

b)

Hydrogen and Water

c)

Hydrogen

d)

Water

46.

The image is showing

a)

two different elements

b)

two different compounds

c)

two different mixtures

d)

two different caterpillars

47.

Mixtures that are uniform throughout are

a)

heterogeneous

b)

made of elements

c)

considered to be a solution

d)

hexogeneous

48.

Mixtures

a)

can be separated physically

b)

can be separated chemically

c)

can become compounds

d)

can become elements

49.

The image is showing

a)

deliciousness

b)

a homogeneous mixture

c)

a heterogeneous mixture

d)

a solution

50.

Which of the following is found on the Periodic Table ?

a)

H2O

b)

CO2

c)

Unununium

d)

Bronze

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