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WorksheetsAtoms Basics 1
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
Is a proton positive or negative?
a)
positive
b)
negative
2.
What is the positively charged particle in an atom?
a)
Neutron
b)
Proton
c)
Electron
d)
Atom
3.
What is the neutrally charged particle?
a)
Proton
b)
Neutron
c)
Electron
d)
Atom
4.
What is the negatively charged particle?
a)
Proton
b)
Neutron
c)
Electron
d)
Atom
5.
What is all matter in the universe made of?
a)
Mixtures
b)
Compounds
c)
Atoms
d)
Molecules
6.
Which two subatomic particles are in the nucleus of an atom?
a)
Protons & Electrons
b)
Protons & Neutrons
c)
Electrons & Neutrons
7.
Protons and electrons are attracted to each other because...
a)
protons have a negative charge and electrons have a positive charge
b)
they both have a positive charge
c)
they both have a negative charge
d)
protons have a positive charge and electrons have a negative charge
8.
How many protons are in the atom shown?
a)
2
b)
3
c)
4
d)
1
9.
How many electrons are in the image shown?
a)
3
b)
2
c)
1
d)
5
10.
How many neutrons are in the image shown?
a)
4
b)
1
c)
3
d)
2
11.
What is the overall charge of an atom?
a)
positive
b)
negative
c)
atomic
d)
neutral
12.
How do we know the overall charge of an atom?
a)
The protons and electrons "cancel" each other out, giving it a neutral charge
b)
There are always more protons than electrons, so the atom is positive
c)
There are always more electrons than protons, so the atom is negative
d)
There are so many neutrons, that the atom has to be neutral.
13.
Anything that takes up space and has mass is known as _______________.
a)
Matter
b)
Molecules
c)
Compounds
d)
Stuff
14.
What are the building blocks of MATTER?
a)
Atoms
b)
Cells
c)
Protons
d)
Neutrons
15.
The image shows the periodic grid for POTASSIUM. What is Potassium's atomic mass?
a)
19
b)
39
c)
20
d)
Impossible to tell
16.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
17.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
18.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
19.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
20.
How is the number of neutrons calculated from the periodic table?
a)
atomic number
b)
atomic mass
c)
atomic mass - atomic number
d)
chemical symbol
21.
How many electrons does Chlorine have?
a)
17
b)
35
c)
18
d)
36
22.
Which statement best describes an electron?
a)
Smaller mass than a proton and a negative charge
b)
Smaller mass than a proton and a positive charge
c)
Greater mass than a proton and a negative charge
d)
Greater mass than a proton and a positive charge
23.
CARBON
a)
C
b)
Ca
c)
Cl
d)
Cu
24.
COPPER
a)
C
b)
Ca
c)
Cu
d)
Cl
25.
SULFUR
a)
Su
b)
S
c)
Sf
d)
Si
26.
SILVER
a)
Au
b)
Ag
c)
Al
d)
Ar
27.
SILICON
a)
S
b)
Si
c)
Su
d)
Sc
28.
POTASSIUM
a)
P
b)
Ka
c)
K
d)
Pt
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