WorksheetsAtoms and Periodic Table practice
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
What is the smalled unit of matter that can be broken down and still keep its chemical makeup?
a)
Proton
b)
Neutron
c)
Atom
d)
Electron
2.
Who developed the first atomic theory that all matter is made up of atoms that cannot be created, divided or destroyed?
a)
Dmtri Mendeleev
b)
JJ Thomson
c)
Niels Bohr
d)
John Dalton
3.
Which scientist thought that atoms are solid positive sphere with electrons on the outside?
a)
John Dalton
b)
JJ Thomson
c)
Niels Bohr
d)
Ernest Rutherford
4.
Whose student helped launch the current atomic theory?
a)
Ernest Rutherford
b)
Niels Bohr
c)
JJ Thomson
d)
John Dalton
5.
Who discovered that atoms have a nucleus and later discovered protons in an atom?
a)
John Dalton
b)
JJ Thomson
c)
Niels Bohr
d)
Ernest Rutherford
6.
Which scientist discovered that atoms had neutrons and have an elctron cloud?
a)
John Dalton
b)
JJ Thomson
c)
James Chadwick
d)
Niels Bohr
7.
What are the positively charged particles of an atom called?
a)
Neutrons
b)
Protons
c)
Electrons
d)
Decepticons
8.
What particles of the atom have no charge?
a)
Neutrons
b)
Electrons
c)
Atom
d)
Protons
9.
If an atom has equal numbers of protons and electrons it is said to have a ________ charge.
a)
Negative
b)
Positive
c)
Slightly Positive
d)
Neutral
10.
What is the number of protons in the nucleus of an atom called?
a)
Atomic Mass
b)
Atomic Weight
c)
Atomic Number
d)
Atomic Characteristic
11.
Which particles in an atom are negatively charged?
a)
Protons
b)
Electrons
c)
Neutrons
d)
Elements
12.
What is the term for the current thinking that electons move around the outside of the nucleus?
a)
Electron Cloud
b)
Proton Cloud
c)
Proton
d)
Electron
13.
If an atom has 3 protons, 4 neutrons and 2 electrons, what charge does it have?
a)
-1
b)
0
c)
2
d)
1
14.
What is the atomic number of an atom that has 3 protons & 3 neutrons?
a)
6
b)
4
c)
3
d)
2
15.
What is the total number of protons and neutrons in an atom called?
a)
Atomic Weight
b)
Atomic Mass
c)
Atomic Number
d)
Atomic Characteristic
16.
If an atom has 8 protons, 9 neutrons and 9 electrons, what charge does it have?
a)
-1
b)
-17
c)
17
d)
0
17.
What is the atomic mass of an atom that has 6 protons, 7 neutrons and 6 electrons?
a)
12
b)
13
c)
6
d)
0
18.
What two subatomic particles make up the nucleus of an atom?
a)
Protons and Neutrons
b)
Electrons and Protons
c)
Electrons and Neutrons
d)
Autobots and Decepticons
19.
What is the atomic mass of an atom that has 12 protons, 14 neutrons and 11 electrons?
a)
23
b)
26
c)
25
d)
-1
20.
What is the unit for Atomic Mass Unit?
a)
amu
b)
u
c)
m
d)
a
21.
Who is credited with creating the first Periodic Table of Elements?
a)
Albert Einstein
b)
Copernicus
c)
Dmitri Mendeleev
d)
John Dalton
22.
What was the arrangement of elements originally based off of?
a)
Atomic Number
b)
Protons
c)
Weight
d)
Atomic Mass
23.
______________________________reorganized Mendeleev’s periodic table in order of increasing number of protons, or atomic number.
a)
Dmitri Mendeleev
b)
Henry Moseley
c)
JJ Thomson
d)
Mr. Zinnecker
24.
What is at the top of each square in the periodic table?
a)
Atomic Number
b)
Atomic Mass
c)
Chemical Symbol
d)
Chemical Name
25.
What is the abbreviation of a chemical's name called?
a)
Chemical Name
b)
Symbol
c)
Chemical Symbol
d)
Abbreviation
26.
What type of element is shiny and conducts heat and electricity well?
a)
Nonmetals
b)
Metals
c)
Metalloids
d)
Noble Gases
27.
What types of elements border the "zigzag" on the periodic table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Lanthanides
28.
What types of elements are poor conductors of heat and electricity?
a)
Nonmetals
b)
Metals
c)
Metalloids
d)
Actinides
29.
What is the vertical column of elements of the periodic table called?
a)
Elements
b)
Row
c)
Group
d)
Period
30.
What is the horizontal row of elements called on the periodic table?
a)
Column
b)
Row
c)
Group
d)
Period
31.
Which of the following is a metal?
a)
Iron
b)
Copper
c)
Gold
d)
Mercury
e)
All of them
32.
Water is an element.
a)
true
b)
false
33.
If the average atomic mass of Oxygen is 16 and the atomic number is 8, how many neutrons are there?
a)
16
b)
12
c)
9
d)
8
34.
What background color are metals on the periodic table?
a)
Red
b)
Orange
c)
Blue
d)
Purple
35.
What background color are metalloids on the periodic table?
a)
Orange
b)
Blue
c)
Purple
d)
Green
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