NEW
Font size
WorksheetsReview Assessment #1
Total questions: 25
Worksheet time: 32mins
The down-arrow in this diagram is most-likely:
gravity
normal
a push or pull
friction
If this object were moving right, the left-arrow in this diagram is most-likely:
gravity
normal
a push or pull
friction
What is the NET FORCE of this diagram?
17 N, right
17 N, left
23 N, right
12 N, up
Which diagram best shows person pushing a couch (accelerating) across the floor?
What is the net force?
3 N Right
3 N Left
17 N Right
17 N Left
What is the name of the missing force?
applied force
gravity
friction
normal force
Is the Net Force balanced or Unbalanced?
Balanced
Unbalanced
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?
150 Newtons
15 Newtons
150 kilograms
100 kilograms
A force of 250 N is applied to an object that accelerates at a rate of 5 m/s2. What is the mass of the object? To solve this problem you must do -
250 ÷ 5
5 ÷ 250
250 x 5
How many energy levels are filled in a krypton atom?
3
4
5
6
Elements from which group all have two electrons in their outer energy levels?
actinides
alkali metals
transition metals
alkaline earth metals
Elements in the same group or column have the same ...
number of valence electrons
number of shells
number of protons
mass number
An atom of silicon contains 14 protons and 16 neutrons. What is its mass number?
2
14
16
30
A particle containing charges of 8 protons and 2 electrons will have a net (overall) charge of
10+
6+
0
6-
The Mg atom becomes the ion Mg2+ when it
gains two electrons
loses two electrons
gains two protons
loses two protons
Atoms of the same element may contain
the same number of neutrons but a different number of protons
the same number of protons but a different number of neutrons
a different number of protons and a different number of neutrons
the same number of electrons but a different number of protons
A common isotope of iron has a mass number of 56. The total number of subatomic particles in the nucleus is
4
26
30
56
How many electrons are located in the outermost orbit in the Bohr model of a boron atom?
1
2
3
4
How many protons and electrons does this element have?
35
18
17
52
Which is an atom of this element?
