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Chemistry Test 1_2021

Total questions: 37

Worksheet time: 23mins

Name
Class
Date
1.
An atom with atomic number 6 would have how many protons 
a)
6
b)
12
c)
3
d)
cannot be determined 
2.
The central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
3.
True or False? Neutrons have a negative charge
a)
True
b)
False
4.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
5.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
6.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
7.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
8.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
9.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
10.
Atoms make up, what?
a)
Everything living and nonliving
b)
Energy
11.
The part of the atom that is moving around the nucleus is called?
a)
electron
b)
neutron
c)
proton
12.
Atoms are mostly filled with?
a)
electrons
b)
empty space
c)
protons
13.
If the number of protons changes, does the atom change its identity?
a)
YES!
b)
NO!
14.

The positive particles of an atom are

a)

electrons

b)

positrons

c)

neutrons

d)

protons

15.

What does the 1.00794 stand for?

a)

Hydrogen

b)

atomic number

c)

atomic mass

d)

atomic explosion

16.

Protons and electrons balance the charge of an atom.

a)

True

b)

False

17.

Most of the mass in an atom is concentrated in the...

a)

electrons

b)

nucleus

c)

protons

d)

empty space

18.

Electrons are___________

a)

Extremely small even in comparison to protons.

b)

part of the nuclues.

c)

Super Positive, like cheerleaders!

d)

very large

19.

Anything that has mass and takes up space is called

a)

heterogeneous

b)

homogeneous

c)

matter

d)

density

20.
What are safety goggles used for?
a)
they are not important
b)
protect your eyes
c)
We don't wear goggles
21.
What do you do if you are not wearing goggles and you get chemicals in your eyes?
a)
run to the bathroom
b)
use the eye wash is the classroom
c)
nothing
22.
Always do what when in a "science-lab" classroom
a)
run 
b)
walk
c)
skip 
d)
climb the table
23.
When is it OK to eat or drink in the lab?
a)
Always
b)
Never
24.
I must follow all instructions, written and verbal, about the laboratory procedures given by the teacher.
a)
True
b)
False
25.
When in the lab...
a)
long sleeves and loose clothing should be rolled up
b)
closed toe shoes should be worn
c)
long hair should be pulled back
d)
all of the above
26.
It's fine to smell chemicals directly from their containers.
a)
True
b)
False
27.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
28.

You measure the volume of a liquid in a ________.

a)

graduated cylinder

b)

test tube

c)

flask

29.

You use a thermometer to measure and record the (a)   of a liquid.

30.

If you don't want a acidic solution to splash or spill, it is best to use a ___________while heating the solution.

a)

flask

b)

beaker

c)

Measuring Cup

31.

What is the name of this tool?

a)

Graduated Cylinder

b)

Beaker

c)

Flask

d)

Triple Beam Balance

32.

What is a beaker used for?

a)

Measure liquid (volume) with high accuracy.

b)

Measure mass in grams

c)

Measure liquid (volume) for general purposes (not as accurately)

33.

An instrument that uses a lens to make tiny things look larger.

a)
b)
c)
34.

A ruler or meter stick measures ___________ in cm.

a)

volume

b)

mass

c)

length

35.

What is the atomic mass of this element?

a)

10

b)

20.1797

c)

21

36.

Which of the following is the correct math sentence to use to find the neutrons of this element?

a)

6-3= ?

b)

7-3= ?

37.

Which of the following lists the correct number of protons, neutrons, and electrons for this element?

a)

P=6 E=3 N=3

b)

P=3 E=3 N=4

c)

P=3 E=3 N=3

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