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WorksheetsPeriodic table - atom Practice
Total questions: 10
Worksheet time: 14mins
What does the number 39 represent on this periodic table square?
atomic number
atomic mass
element symbol
element name
Radium is in period number______.
Period 2
Period 3
Period 4
Period 7
Period 6
What is the atomic mass of Oxygen?
8
15.999
2
6
Match the correct information
12
Atomic number
Mg
Symbol
Magnesium
Name
24.305
Atomic mass
12.305 or 12
Number of neutrons
Match the following Elements Name with its correct symbol
Sodium
Na
Sulfur
S
Fluorine
F
Iron
Fe
Mercury
Hg
Match the following Elements Name with its correct symbol
Gold
Au
Silver
Ag
Antimony
Sb
Tin
Sn
Lead
Pb
How many neutrons have an Iodine atom have?
(a)
If I had a mystery atom, and I knew it had 11 protons and atomic mass of 20, how many electrons does it have?
11
20
9
31
What atom is shown?
Yttrium
Gallium
Ytterbium
Identify the solid liquids and gas in the periodic table
Oxygen
Argon
Fluorine
Chlorine
Niobium
Germanium
Cobalt
Bromine
Carbon
