WorksheetsAtoms and Molecules
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Who was the English Chemist that developed the Atomic Theory?
a)
Democritus
b)
John Dalton
c)
Socrates
d)
James Bond
2.
What does "Atoma" mean?
a)
Uncuttable
b)
Small
c)
Invisible
d)
Tiny
3.
Empedocles came up with 4 basic elements, what were they?
a)
Earth, sand, glass, water
b)
earth, wind, fire, air
c)
earth, water, fire, air
d)
water. aqua, fire, clouds
4.
A substance made of only one kind of atom is a/an.......
a)
compound
b)
atom
c)
molecule
d)
element
5.
Everything in our world of made of ........
a)
atoms
b)
cheerios
c)
plasma
d)
water
6.
True or False - Each element is made of atoms that are all alike.
a)
True
b)
False
7.
What substance is formed when 2 or more different kinds of atoms bond to each other?
a)
element
b)
compound
c)
atom
d)
nucleus
8.
Which is an example of an element?
a)
pizza
b)
hydrogen
c)
air
d)
water
9.
Which is an example of a compound?
a)
oxygen
b)
hydrogen
c)
gold
d)
water
10.
True or False - A molecule can be made up of only unlike atoms.
a)
True
b)
False
11.
How did Dalton organize the elements?
a)
size
b)
weight
c)
color
d)
smel
12.
In 1871, what did Dmitry Mendeleyev publish?
a)
Poor Richard's Almanac
b)
The New York Times
c)
A periodic table
d)
The Mahomet Citizen
13.
How many known elements were there when Mendeleyev published his periodic table?
a)
25
b)
62
c)
63
d)
70
14.
How many elements are there on the periodic table today?
a)
63
b)
77
c)
113
d)
118
15.
What element is represented by the letter C
a)
Chlorine
b)
Carbon
c)
Coffee
d)
Copper
16.
What element is represented by Fe?
a)
Cobalt
b)
Iodine
c)
French Fries
d)
Iron
17.
What element is represented by Au?
a)
Augmentin
b)
Silver
c)
Titanium
d)
Gold
18.
What element is represented by Cu?
a)
Copper
b)
Tin
c)
Aluminum
d)
Bronze
19.
What element is represented by Li?
a)
Lime
b)
Lemon
c)
Lithium
d)
Lionel
20.
What element is represented by Na?
a)
Need
b)
Sodium
c)
Nickel
d)
Neon
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