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WorksheetsAtoms Notes
Total questions: 35
Worksheet time: 18mins
Anything that has mass and takes up space
bohr model
matter
proton
neutron
What are the tiny building blocks of all matter?
protons
neutrons
electrons
atoms
What are atoms made of? (check all that apply)
protons
neutrons
electrons
solids
What subatomic particles are found in the nucleus?
protons and electrons
protons and electron orbits
protons and neutrons
neutrons and electrons
The following is what type of model of the atom?
atomic model
Bohr model
electron model
Oxygen model
How many protons are in this model?
17
35
16
18
How many electrons are in this model?
17
35
16
18
How many neutrons are in this model?
17
35
16
18
Using your periodic table, tell me what element this is?
Argon
Chlorine
Bromine
Not enough information to determine
How many electron orbits (shells) does this atom contain?
2
3
13
14
How would you find the atomic mass of this atom?
Add together the protons and electrons
Add together the protons and neutrons
Subtract the protons and neutrons
It is the number of electrons
What is the atomic mass of this element?
27
13
14
10
How many protons are in this element?
27
13
14
10
How many electrons are in this element?
27
13
14
10
Because the mass of atoms and subatomic particles are so small, we do not use grams to measure their mass. Instead we use
kilograms (kg)
atomic mass units (amu)
inches (in)
pounds (lbs)
What is the atomic mass of 1 proton?
1 amu
2 amu
12 amu
0 amu
What is the atomic mass of a neutron?
1 amu
0 amu
13 amu
0.0005 amu
What is the abbreviation for atomic mass units?
atomic mass
amu
atomic mu
a mass unit
Electrons are
positive
negative
neutral
no charge
Protons are
positive
negative
neutral
no charge
Neutrons are
positive
negative
neutral
1.5 amu
In a Bohr model of an atom, what is the maximum number of electrons in the 1st shell?
2
8
18
32
In a Bohr model of an atom, what is the maximum number of electrons in the 2nd shell?
2
8
18
32
In a Bohr model of an atom, what is the maximum number of electrons in the 3rd shell?
2
8
18
32
How many electrons are in this atom's outer shell?
2
8
3
13
How many MORE electrons can fit in the outer (3rd) shell of this element?
2
15
3
13
Atomic mass number can be found by
adding protons and electrons
adding protons and neutrons
subtracting protons and electrons
subtracting protons and neutrons
Use your periodic table and tell me the atomic number of magnesium
12
24.31
24
2
Use your periodic table and tell me the atomic mass number of magnesium
12
24.31 or 24
2
Use your periodic table and tell me the atomic number of nitrogen
15
7
14.01 or 14
8
Use your periodic table and tell me the atomic MASS number of nitrogen
15
7
14.01 or 14
8
When looking at an element block on the periodic table, the number at the bottom represents the mass. We round the atomic mass to the nearest whole number. If the atomic mass was 15.999, what would the mass be after rounding?
16
15
15.0
When writing an element symbol that is two letters
Both letters should be capitalized (AR)
First letter capitalized, second letter lowercase (Ar)
First letter lowercase, second letter capitalized (aR)
Both letters are lowercase (ar)
Use your periodic table and tell me the ROUNDED atomic mass for Neon
10
21
20
0
Use your periodic table and tell me the ROUNDED atomic mass for Boron
10
11
1
0
