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WorksheetsGuess the Element
Total questions: 20
Worksheet time: 5mins
Name a halogen in the 5th Period
(a)
What is the alkaline earth metal in the third period?
(a)
Name a alkaline metal in the 6th period
(a)
What is the metal between 8th Group and 4th Period?
(a)
Name a halogen in the 7th period?
(a)
What is the Alkaline metal in the 1st period?
(a)
Which group does Radium belong?
(a)
What is the metal between 5th period and 11th group?
(a)
Name a Noble Gas which is located in the 4th period
(a)
Name a Halogen which is located in 6th period?
(a)
The elements can be divided into three categories except...
metals
metalloids
metallica
non metals
Elements like Francium and Sodium are very reactive in water
True
Francium only
Sodium only
False
This is the second most reactive family of elements in the periodic table
Noble Gas
Alkali metals
Halogens
Alkaline earth metals
What element under Alkaline earth metals that is used in making glow-in-the-dark paints?
Magnesium
Radium
Barium
Strontium
Almost how many percent of all elements are classified as metals?
25%
50%
75%
100%
Column 7A or Seventeen is belong to which Groups?
Noble Gas
Halogens
Akaline Earth Metals
Metals
Which is the correct way of writing an isotope symbol?
AzX
ZAX
XAZ
AXZ
Isotope meaning atoms that have the same mass number but different atomic numbers.
True
False
Mass number is the total number of neutrons and protons present in the nucleus of an atom of an element.
True
False
Number of protons is equal to the number of electrons in a neutral atom
True
False
