WorksheetsBohr Model
Total questions: 28
Worksheet time: 20mins
How many valence electrons does an atom of chlorine have?
(chemical symbol Cl, atomic number 17)?
2
8
7
17
How many valence electrons does an atom of fluorine have?
(chemical symbol F, atomic number 9)?
2
7
9
How many electron shells does Silicon have?
14
2
3
4
The period number tells you how many ____ the element has.
electron shells
valence electrons
protons
electrons
The electron configuration of sulfur is
2, 8, 6
2, 8, 8
3, 8, 6
0, 2, 8
The number of protons an element has is its?
Atomic mass
Atomic number
a.m.u
Group
How many valence (outer) electrons does an Oxygen atom have?
2
6
8
16
What is the atomic number of this element?
17
18
35
35.453
What element is this?
Na
P
N
S
What element is this?
Nitrogen
Chlorine
Argon
Phosphorous
Which Bohr model represents Neon?
How many electrons can go in the first energy level?
2
8
18
32
How many electrons can go in the Second energy level?
2
8
18
32
What is defined as defined as the number of protons?
Atomic mass
Atomic number
a.m.u
Group
What is the chart called where all the elements are organized?
Periodic Table
Valence Chart
Bohr Chart
Lewis Chart
Each column of the Periodic Table are known by this number
Period
Group
Family
Transition Metals
How many electrons total?
5
6
7
8
How many valence electrons?
2
3
4
5
Which period is this element in?
1
2
3
4
How many valence (outer) electrons does an Oxygen atom have?
2
6
8
16
Name this element.
boron
sodium
magnesium
lithium
beryllium
