WorksheetsF1 Atomic Structure Challenge
Total questions: 25
Worksheet time: 14mins
Name
Class
Date
1.
The center of an atom is known as the
a)
nucleus
b)
electron cloud
c)
neutron cloud
d)
mass circle
2.
Protons have this type of charge
a)
positive
b)
negative
c)
neutral - no charge
3.
A particle that orbits around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
4.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
Electrons and megatrons
5.
What are the 3 subatomic particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
6.
This subatomic particle has basically no mass
a)
protons
b)
neutrons
c)
electrons
d)
protons and neutrons
7.
Neutrons have this type of charge
a)
positive
b)
negative
c)
neutral - no charge
8.
The atomic number of an atom is the number of
a)
protons in its electron cloud
b)
protons in its nucleus
c)
neutrons in its nucleus
d)
electrons and neutrons in the nucleus
9.
An atom with atomic number 6 would have how many protons?
a)
6
b)
12
c)
3
d)
cannot be determined
10.
Which letter represents a proton?
a)
A
b)
B
c)
C
d)
D
11.
Which letter represents the nucleus?
a)
A
b)
B
c)
D
d)
E
12.
The charge of the nucleus of all atoms is
a)
positive
b)
negative
c)
neutral
d)
sometimes positive and sometimes negative
13.
The number of these determines which element an atom is.
a)
neutrons
b)
electrons
c)
protons
14.
All atoms of a particular element have the same number of ...
a)
electrons
b)
neutrons
c)
protons
15.
The smallest particle of an element that shows all the properties of that element.
a)
Subatomic Particles
b)
Atom
c)
Quarks
d)
Gluons
16.
Arrangement of elements organized by atomic number
a)
Electron Cloud
b)
Periodic Table
c)
Electron Configuration
d)
None of these
17.
Calculation used to find the number of neutrons in an atom
a)
Atomic Mass - Atomic Number
b)
Atomic Number - Atomic Mass
c)
Atomic Mass - Electrons
d)
none of these
18.
The only element with no neutrons in its nucleus.
a)
Oxygen
b)
Helium
c)
Hydrogen
d)
Lithium
19.
What is the atomic number of Boron?
a)
5
b)
11
c)
6
20.
What is the atomic mass of Boron?
a)
5
b)
11
c)
6
21.
How many electrons does Sodium have?
a)
11
b)
23
c)
12
22.
The symbol of potassium is:
a)
Po
b)
P
c)
K
d)
Pt
23.
This is the electronic structure of oxygen:
a)
True
b)
False
24.
If an atom has 29 protons, the number of electrons it has is also 29.
a)
True
b)
False
25.
The atomic mass of Fluorine is
a)
10
b)
9
c)
19
100 %
