WorksheetsHON Chem Parts of the Atom Quiz Review
Total questions: 21
Worksheet time: 23mins
Name
Class
Date
1.
How many protons are in Boron (B) ?
a)
3
b)
5
c)
10
d)
11
2.
How many Neutrons does Uranium-238 have?
a)
92
b)
146
c)
238
d)
149
3.
What is the mass number of this atom?
a)
4
b)
5
c)
9
d)
none of the above
4.
What is the atomic number of this atom?
a)
4
b)
5
c)
9
d)
none of the above
5.
What element does this picture represent?
a)
Beryllium
b)
Boron
c)
Fluorine
d)
Oxygen
6.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
7.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
8.
What charge does an electron have?
a)
positive
b)
negative
c)
neutral
d)
no charge
9.
Where are neutrons located in the atom?
a)
shells/orbitals
b)
rings
c)
next to electrons
d)
nucleus
10.
Which particle does not significantly contribute mass to the atom?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
11.
Most of the mass in an atom is made up of _____________________?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons and quarks
12.
Ions are:
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
13.
What is the charge of an atom that has lost one electron?
a)
-1
b)
-2
c)
+1
d)
+2
14.
In a neutral atom the amount of electrons is equal to
a)
neutrons
b)
protons
c)
atomic mass
d)
neutrons + protons
15.
When neutral Magnesium atom loses 2 electrons what is its charge?
a)
- 10
b)
+ 2
c)
- 2
d)
+ 10
16.
What is the symbol for an element with 9 protons and 10 electrons
a)
K +1
b)
F +1
c)
F -1
d)
K
17.
What is the atomic mass of Neon?
a)
10
b)
30.18
c)
10.18
d)
20.18
18.
How many neutrons are in Copper-64?
a)
64
b)
35
c)
29
d)
20
19.
A bromine ion has a charge of -1. How many electrons does it have?
a)
34
b)
35
c)
36
d)
45
20.
How many electrons does a neutral atom of Cobalt (Co) have?
a)
27
b)
31
c)
31.93
d)
58.93
21.
An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9% abundant. The other is 11.01 amu and is 80.1% abundant. What is the average atomic mass? What element is it?
a)
9.012, Beryllium
b)
12.011, Carbon
c)
6.941, Lithium
d)
10.812, Boron
100 %
