WorksheetsPeriodic Table & Bohr Model Review
Total questions: 21
Worksheet time: 13mins
Periods on the periodic table are:
Horizontal
Vertical
Groups on the periodic table are:
Horizontal
Vertical
In a Bohr Model, the number of rings (electron shells) is determined by the....
Period
Group
In a Bohr Model, the number of valence electrons can be counted by the....
Period
Group
____________ are the electrons in the outermost energy shell in an atom.
Silly Electrons
Reactive Electrons
Outside Electrons
Valence Electrons
What is Fluorine's atomic number?
9
18.998
19
10
How many protons does Fluorine have?
9
18.998
19
10
How many nuetrons does Fluorine have?
9
18.998
19
10
Use your periodic table for this one. Which family does Chlorine belong?
Halogens
Noble Gases
Nonmetals
Metalloids
Use your periodic table for this one. Which family does Carbon belong?
Halogens
Noble Gases
Nonmetals
Metalloids
How many valence electrons does this Bohr Model have?
2
7
0
9
Use your periodic table for this one. Which of the following has the most protons?
Hydrogen
Helium
Lithium
Magnesium
Which element is this model representing? (Hint: Count the total number of electrons)
Boron
Oxygen
Potassium
Carbon
How many electrons does this element have?
26
55.845
56
2
Protons are _____________ charged.
Positively
Negatively
Neutrally
Neutrons are _____________ charged.
Positively
Negatively
Neutrally
Electrons are _____________ charged.
Positively
Negatively
Neutrally
How many neutrons does this element have?
26
55.845
56
30
How much does 1 proton weigh?
1 AMC (atomic mass count)
1 AMU (atomic mass unit)
Depends on the proton
They are so small that their mass is insignificant.
How much does 1 neutron weigh?
1 AMC (atomic mass count)
1 AMU (atomic mass unit)
Depends on the neutron
They are so small that their mass is insignificant.
How much does 1 electron weigh?
1 AMC (atomic mass count)
1 AMU (atomic mass unit)
Depends on the neutron
They are so small that their mass is insignificant.
