NEW
Font size
S
M
L
XL
WorksheetsThe Periodic Table
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
the ..............is an abbreviation for the element's name.
a)
chemical symbol
b)
chemical bond
2.
the number of protons in the nucleus of an atom of the element.
a)
atomic mass
b)
atomic number
3.
are elements that are shiny and conduct heat and electricity.
a)
metals
b)
nonmetals
c)
metalloids
4.
are elements that have some properties of metals and some properties of nonmetals.
a)
nonmetals
b)
metalloids
c)
metals
5.
are poor conductors of heat and electricity . they are often dull and brittle.
a)
metalloids
b)
nonmetals
c)
metals
6.
are electrons found in the outermost portion of the electron cloud of an atom.
a)
protons
b)
ions
c)
valence electrons
7.
elements within the same ..........have similar chemical properties
a)
group
b)
period
c)
row
8.
the horizontal row of elements from left to right on the periodic table is called.............
a)
group
b)
family
c)
period
9.
Elements are arranged in the periodic table in order of ......... atomic number
a)
decreasing
b)
increasing
10.
as you move from left to right within a period ,the ...... of each element increases by one.
a)
atomic number
b)
atomic mass
11.
Elements found in group 18 have a full set of valence electrons they are all unreactive gases. They are called.....
a)
metals
b)
actinides
c)
noble gases
d)
lanthanides
12.
boron has the atomic number of
a)
5
b)
4
c)
3
d)
2
13.
aluminium has the chemical symbol of
a)
Al
b)
Ai
c)
Alu
d)
al
14.
sodium has the atomic number of
a)
1
b)
111
c)
11
d)
10
15.
Sodium has the chemical symbol of :
a)
Su
b)
So
c)
na
d)
Na
16.
iron has the symbol of :
a)
F
b)
fe
c)
Ir
d)
Fe
17.
elements in group 17 are called
a)
Halogens
b)
Nobel gases
c)
Metals
18.
All of the atoms of elements in group 1 have ........valence electron. These elements are very reactive.
a)
single
b)
two
c)
three
Reset
