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WorksheetsThe periodic table and elemental structure
Total questions: 11
Worksheet time: 6mins
Who is Dmitri Mendeleev?
Creator of modern day science
Creator of the first periodic table
Scientist that invented the atom
In what year did Mendeleev create the periodic table?
1906
1776
1869
1846
What is the nucleus of an atom composed of?
protons and neutrons
electrons
protons and electrons
neutrons and electrons
Which one of the subatomic particles has a negative charge?
proton
electron
neutron
What is an atom?
Smallest unit of an element
A state matter
The combination of elements
What is another name for a group on the periodic table?
period
row
column
particle
How many naturally occurring elements are there?
63
92
90
75
What can tell us the identity of an atom?
atomic number
number of protons
number of electrons
all of the above
How many protons does the element iron have?
13
3
55.845
26
What happens to atoms as you go down a group on the periodic table?
the size of the atom decreases
the size of the atom increases
both b and d
the amount of electron shells increase
Elements in the same group have the same amount of protons in their outer shell
True
False
