WorksheetsRC1 & 2 Quiz
Total questions: 44
Worksheet time: 4hrs 49mins
Name
Class
Date
1.
What element has 7 valence electrons and 2 shells?
a)
Beryllium
b)
Chlorine
c)
Magnesium
d)
Fluorine
2.
How many neutrons does Fluorine (F) have?
a)
7
b)
9
c)
10
d)
19
3.
A valence electron or electrons exist in the ______ energy level.
a)
Farthest in
b)
Middle
c)
Furthest out
4.
The yellow elements are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
5.
Which two groups on the Periodic Table are the MOST reactive?
a)
Group 1 and Group 17
b)
Group 2 and Group 16
c)
Group 13 and Group 15
d)
Group 17 and Group 18
6.
What determines the reactivity of an element?
a)
Size of its nucleus
b)
Number of total electrons
c)
Number of valence electrons
d)
Number of shells
7.
This element has 6 protons
a)
Nitrogen
b)
Lithium
c)
Carbon
d)
Argon
8.
Name this element
a)
Carbon
b)
Oxygen
c)
Magnesium
d)
Beryllium
9.
Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe
a)
Yes
b)
No
10.
What is the arrow in a chemical equation...
H2 + O --> H2O
H2 + O --> H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
11.
N2 + H2 = NH4
a)
Balanced
b)
Unbalanced
12.
How many Al atoms are in this compound? 4Al2O3
a)
2
b)
8
c)
6
d)
4
13.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
14.
How many ATOMS of Carbon are in 3C2H4O
a)
2
b)
3
c)
4
d)
6
15.
What is this area of the atom called?
a)
nucleus
b)
electron cloud
16.
What is the charge of an ELECTRON?
a)
+
b)
-
c)
o
17.
How many protons?
a)
26
b)
55.845
c)
56
d)
None of these
18.
How many electrons?
a)
26
b)
55.845
c)
56
d)
None of these
19.
What element is this?
a)
Helium (He)
b)
Hydrogen (H)
c)
Argon (Ar)
d)
Silver (Au)
20.
The subatomic particle in the nucleus with a positive charge is the
a)
electrons
b)
positrons
c)
neutrons
d)
protons
21.
Which element has 6 protons, 6 electrons, and 6 neutrons?
a)
Magnesium
b)
Carbon
c)
Argon
d)
Chlorine
22.
What particles make up the nucleus of an atom?
a)
Protons + Electrons
b)
Neutrons + Electrons
c)
Atoms
d)
Protons + Neutrons
23.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving inside and outside the atom.
24.
Silicon has how many neutrons?
a)
14
b)
15
c)
28.09
d)
1
25.
When are you undergoing an acceleration in a car?
a)
speed up
b)
slow down
c)
make turns
d)
all of these!
26.
Which of the following has a net force of 0 Newtons?
a)
An asteroid moving at a constant speed through space
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter
d)
A rocket taking off
27.
Balanced or Unbalanced?
a)
Balanced
b)
Unbalanced
28.
Calculate the Net Force.
a)
60N, Left unbalanced
b)
40N, Right unbalanced
c)
0N balanced
d)
60N, Right, unbalanced
29.
Solve the problem. Careful! CHECK your math!
a)
5N
b)
8N
c)
3N
d)
11N
30.
A wheeled cart is moving to the right at a constant speed. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
31.
Describe the motion of the car:
a)
accelerating left
b)
constant speed
c)
accelerating right
d)
constant speed
32.
What is this object's SPEED at 2 seconds? (hint: you will need to do MATH!!)
a)
5 m/s
b)
5 s/m
c)
20 m/s
d)
20 s/m
33.
What is the average speed of the person during the first 5 seconds?
a)
0 m/s
b)
1 m/s
c)
3 m/s
d)
6 m/s
34.
During what times is the object moving at a constant speed?
a)
B to C
b)
C to D
c)
E to F
d)
only at point A
35.
A train travels 25 km in .5 hrs. How fast is the train going? Use the triangle!
a)
25 miles/hr
b)
5 miles/hr
c)
125 km/hr
d)
50 km/hr
36.
45 m/s2 is the...
a)
Mass
b)
Force
c)
Acceleration
d)
weight
37.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
38.
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 -
a)
250 ÷ 5
b)
5 ÷ 250
c)
250 x 5
39.
A 5 kg block is pulled across a table by a net force of 32 N. Calculate the acceleration of the object. To solve this problem you must do -
a)
32 ÷ 5
b)
5 ÷ 32
c)
32 x 5
40.
The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?
a)
Object 1
b)
Object 2
c)
Object 3
d)
Object 4
41.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
42.
F=MA
An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?
An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?
a)
20 N
b)
2 N
c)
5 N
d)
0 N
43.
Newton's 1st law is often called the _______.
a)
Newton's 2nd law
b)
action-reaction law
c)
law of equality
d)
law of inertia
44.
In this image, what are the information in red is called the_______.
a)
Product
b)
Reactant
c)
Chemical Subscript
100 %
