WorksheetsChapters 11-1, 11-2, 12-1
Total questions: 30
Worksheet time: 16mins
Name
Class
Date
1.
The atomic number of an element also tells you the number of what?
a)
neutrons
b)
atoms
c)
protons
2.
What is the electrical charge of a neutron?
a)
positive
b)
neutral
c)
negative
d)
static
3.
What describes something that occurs or repeats at regular intervals?
a)
group
b)
problematic
c)
systematic
d)
periodic
4.
What is the mass number of an element?
a)
sum of the protons & neutrons
b)
sum of the neutrons & electrons
c)
the mass of the electrons
d)
the mass of the neutrons
5.
A horizontal row of elements in the periodic table is called...
a)
atom
b)
period
c)
group
d)
family
6.
The electrical charge of a nucleus is...
a)
positive
b)
negative
c)
neutral
d)
periodic
7.
Law stating that chemical & physical properties change periodically with the atomic numbers
a)
Charles's Law
b)
Boyle's Law
c)
Law of the Elements
d)
Periodic Law
8.
What is the vertical column of elements in the periodic table called?
a)
group
b)
period
c)
metals
d)
metalloid
9.
What is the electrical charge of an electron?
a)
negative
b)
positive
c)
orbital
d)
neutral
10.
Potassium:
mass number = 39
protons = 19
How many neutrons does it have?
mass number = 39
protons = 19
How many neutrons does it have?
a)
19
b)
39
c)
58
d)
20
11.
Carbon: atomic number = 6,
mass number = 12
How many electrons does it have?
mass number = 12
How many electrons does it have?
a)
12
b)
6
c)
18
12.
What is the electrical charge of a proton?
a)
negative
b)
neutral
c)
stationary
d)
positive
13.
smallest particle in which an element can be divided & still be the same substance
a)
proton
b)
element
c)
neutron
d)
atom
14.
Atoms with the same number of protons but different number of neutrons are called ________
a)
borons
b)
ions
c)
isotopes
15.
The SI unit used to express the masses of particles in atoms is the _________
a)
atomic mass unit
b)
isotope unit
c)
elemental unit
d)
cubic unit
16.
The nucleus would be best described as ________
a)
very dense
b)
very light and airy
c)
fluffy
d)
large and empty
17.
Magnesium:
mass number = 24.3
protons = 12
How many electrons does it have?
mass number = 24.3
protons = 12
How many electrons does it have?
a)
12.3
b)
36.3
c)
6
d)
12
18.
The overall charge of a nucleus is _________
a)
negative
b)
positive
c)
neutral
19.
The nucleus contains the following particles:
a)
protons & electrons
b)
neutrons & electrons
c)
neutrons & protons
20.
What is plum pudding made of?
a)
plums
b)
raisins
c)
grapes
d)
nuts
21.
The mass number minus the atomic number equals _____.
a)
the number of protons
b)
the number of neutrons
c)
the number of electrons
d)
the total charge of the atom
22.
Each element has a unique number of _____.
a)
protons
b)
neutrons
c)
electrons
d)
charges
23.
What increases by exactly one when moving from left to right across a period on each element ?
a)
amount of charge
b)
atomic numbers
c)
average atomic mass
d)
mass numbers
24.
Determine the number of protons of the element titanium shown in the box.
a)
22
b)
26
c)
47.88
d)
47
25.
Determine the number of neutrons of the element titanium shown in the box.
a)
22
b)
26
c)
47.88
d)
48
26.
The elements in blue on the periodic table pictured are _____.
a)
metals
b)
nonmetals
c)
semiconductors
d)
metalloids
27.
The elements in pink on the periodic table pictured are _____.
a)
metals
b)
nonmetals
c)
semiconductors
d)
metalloids
28.
The elements in yellow on the periodic table pictured are _____.
a)
metals
b)
nonmetals
c)
semiconductors
d)
metalloids
29.
Most elements on the periodic table are ______.
a)
Solids
b)
Liquids
c)
Gases
30.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol
100 %
