WorksheetsBohr Element
Total questions: 20
Worksheet time: 26mins
On the periodic table, Groups are
Horizontal rows
Vertical columns
On the periodic table, Periods are
Horizontal rows
Vertical columns
What is a valence electron?
Electrons in the first energy shell
Electrons in the second energy shell
Electrons in the outer shell
Total number of electrons
The innermost energy level has a maximum of how many electrons?
1
2
6
8
What does the Bohr Model represent?
The structure of molecules
The structure of the Solar System
The structure of an atom
The structure of East Hills
Which element is this?
Nickel
Neon
Sodium
Nitrogen
Name this element.
Argon
Chlorine
Aluminum
Boron
Name this element.
Neon
Magnesium
Sodium
Manganese
What is the atomic number of this atom?
2
4
6
8
What is the mass number of this atom?
1
3
4
7
What is this element?
Beryllium (atomic #4)
Boron (atomic #5)
Carbon (atomic #6)
Nitrogen (atomic #7)
How many valence electrons?
2
3
4
5
How many valence electrons?
2
3
4
5
What is a valence electron?
Electrons in the first energy shell
Electrons in the second energy shell
Electrons in the outer shell
Total number of electrons
How many valence electrons?
2
4
6
8
What group does this element belong to?
1
2
17
18
How many valence electrons?
2
5
6
8
Elements in Group number 17 are known as
Alkai Metals
Alkaline Metals
Halogens
Noble Gases
Which group includes non-reactive gasses that have a full outer electron shell?
Alkai Metals
Alkaline Metals
Halogens
Noble Gases
Which group includes soft, highly reactive metals with one electron in their outer shell?
Alkai metals (group 1)
Alkaline metals (group 2)
Halogens (group 17)
Noble gasses (group 18)
