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WorksheetsElements, Models, and Periodic Table Quiz
Total questions: 21
Worksheet time: 42mins
Periodic law states that the elements are arranged according to their atomic ________ and elements with similar chemical properties are in the same ________.
numbers, rows
masses, rows
masses, column
numbers, column
Which element is found in group 2, period 6?
Oxygen (O)
Barium (Ba)
Sulphur (S)
Carbon (C)
Which group of the periodic table is composed of stable atoms that do not react or combine with other elements?
alkali metals
halogens
noble gases
What determines the identify of an atom?
atomic mass
number of protons
mass number
number of neutrons
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 & available bonding capabilities.
To search for the number of electrons in an individual atom.
Which of the could represent an ATOM of sulfur?
A Lewis Dot Diagram represents....
***Choose all that apply***
A single atom.
Only shows the element symbol and it's outer most electron shell
Contains protons and electrons
What is a Bohr Model?
a simplified representation of an atom
vertical column in periodic table
Only shows the element symbol and it's outer most electron shell
What is the atomic number of this element?
17
18
35
How many valence electrons are in this element?
17
7
35
18
For most elements, how can we determine the number of valence electrons they have just by looking at the periodic table?
It is not possible just by looking at the periodic table
Look at the group number
Look at the atomic number
Atoms with few valence electrons (1-3) tend to do what with them?
Lose them
Gain more
Nothing
How many valence electrons does every atom try to obtain?
2
4
8
