Worksheets7.3 Review
Total questions: 67
Worksheet time: 1hrs 2mins
How many valence electrons should Lithium have in its Lewis dot model?
1
2
3
4
How many valence electrons should Oxygen have in its Lewis dot model?
5
6
7
8
This could be the dot diagram of
Mg
Cl
C
O
What is the goal of the Lewis Dot Structure?
To determine the electron position.
To show the element's valence electrons & bonding capabilities.
To find the atomic mass of an element.
To search for the number of electrons in an individual atom.
How many valence electrons should Magnesium have in its Lewis dot model?
1
2
3
4
This is a correct dot diagram for carbon (C)
true
false
This is a correct dot diagram for neon (Ne)
true
false
Which of these is incorrect?
What element is represented in this Bohr Model?
Carbon
Hydrogen
Aluminum
Lithium
On the periodic table, Groups are
Horizontal rows
Vertical columns
On the periodic table, Periods are
Horizontal rows
Vertical columns
The innermost energy level has a maximum of how many electrons?
1
2
6
8
How many valence electrons?
2
3
4
5
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 electrons can the 3rd energy level hold?
1
8
16
2
I am shiny and a good conductor of heat
Metal
Metalloid
Non Metal
I am an insulator and have a dull luster.
Metal
Metalloid
Non Metal
I am malleable, but do not have a shiny luster.
Metal
Metalloid
Non Metal
ductile means...
can be made into wire
can be bent or hammered
can light up a light bulb
it's shiny
Which is true about a compound?
two or more elements
Elements that are combined to make something new
Elements that are chemically combined
All answer chioices are correct
Which of the following is an element?
Cl
CO
NaCl
H2O
How well a substance can be hammered into sheets.
Malleability
Conductivity
Luster
Magnetic
How well a substance allows heat or electricity to flow through it.
Malleablility
Conductivity
Luster
Ductile
A substance that does NOT allow heat or electricity to flow through it.
Insulator
Conductor
Semiconductor
Magnetic
Chemical reactivity and bonding is dependent on....
the protons
the neutrons
valence electrons
the mass
How many valence electrons do Alkali metals have? (group 1)
1
5
3
2
How many valence electrons do Group 13 elements have?
2
7
3
4
How many valence electrons do Noble Gases have? (group 18)
7
1
3
8
How many valence electrons do elements in the Oxygen family have? (group 16)
5
6
7
8
How many valence electrons do Halogens have? (group 17)
7
6
8
4
How many valence electrons do Group 14 elements have?
2
3
4
1
