WorksheetsPeriodic Table Quiz
Total questions: 15
Worksheet time: 11mins
Which of the following pairs of element and symbol is incorrect?
Potassium – K
Phosphorus – P
Calcium – C
Magnesium – Mg
The element with atomic number 13 is:
Aluminium
Silicon
Sodium
Sulphur
Which of these elements belongs to Group 2 of the periodic table?
Sodium (Na)
Magnesium (Mg)
Phosphorus (P)
Chlorine (Cl)
Calcium has valency +2, while Nitrogen has valency –3. What is the correct formula of the compound formed?
CaN
Ca₂N₃
Ca₃N₂
Ca₃N₃
Which of the following is a metal among the first 30 elements?
Phosphorus
Sulphur
Aluminium
Chlorine
Which of the following elements has a chemical symbol derived from its Latin name?
Sodium
Aluminium
Magnesium
Silicon
Potassium has valency +1, while Sulphur has valency –2. What is the correct formula for the compound formed?
K₂S
KS₂
K₂S₂
KS
Magnesium has valency +2, while phosphate (PO₄³⁻) has valency –3. What is the correct formula for magnesium phosphate?
MgPO₄
Mg₂(PO₄)₃
Mg₃(PO₄)₂
Mg₃PO₄
Which element among the first 30 has the symbol Si?
Sulphur
Silicon
Scandium
Selenium
Which of the following is a non-metal among the first 30 elements?
Calcium
Chlorine
Magnesium
Aluminium
Elements in Group 2 of the periodic table generally have which valency?
1
2
3
4
Ammonium (NH₄⁺) has valency +1, while sulphate (SO₄²⁻) has valency –2. What is the correct formula of Ammonium sulphate?
NH₄SO₄
(NH₄)₂SO₄
(NH₄)₂(SO₄)₃
NH₄₂SO₄
The element with symbol Ar belongs to which group?
Group 14
Group 15
Group 17
Group 18
Iron(II) has valency +2, while Oxygen has valency –2. What is the correct formula for Iron(II) oxide?
Fe₂O₃
FeO
FeO₂
Fe₂O
Which of the following elements does not appear among the first 30 elements?
Titanium
Argon
Krypton
Chlorine
