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