JAMB Chemistry questions

443 questions with answers and explanations. Tap an option to check yourself.

All topics Acids, bases and salts · 32 Air · 21 Atomic structure and bonding · 33 Chemical combination · 31 Chemical equilibrium · 21 Chemistry and industry · 18 Electrolysis · 22 Energy changes · 22 Environmental pollution · 17 Kinetic theory of matter and gas laws · 27 Metals and their compounds · 24 Non-metals and their compounds · 23 Organic compounds · 43 Oxidation and reduction · 22 Rates of chemical reaction · 22 Separation of mixtures and purification · 24 Solubility · 20 Water · 21

Question 61· Atomic structure and bonding· JAMB
Rutherford's gold-foil experiment showed that the atom
Explanation and discussion
Question 62· Atomic structure and bonding· JAMB
Which quantum number describes the shape of an orbital?
Explanation and discussion
Question 63· Atomic structure and bonding· JAMB
The electron was discovered by
Explanation and discussion
Question 64· Atomic structure and bonding· JAMB
Water has an unusually high boiling point for its molecular size mainly because of
Explanation and discussion
Question 65· Atomic structure and bonding· JAMB
The diagram represents an atom of
Explanation and discussion
Question 66· Atomic structure and bonding· JAMB
The shape of the water molecule is
Explanation and discussion
Question 67· Atomic structure and bonding· JAMB
An element with electronic configuration 2, 8, 7 belongs to group
Explanation and discussion
Question 68· Atomic structure and bonding· JAMB
An atom has mass number 27 and 14 neutrons. How many electrons are in its outermost shell?
Explanation and discussion
Question 69· Atomic structure and bonding· JAMB
The electronic configuration of an element with atomic number 12 is:
Explanation and discussion
Question 70· Atomic structure and bonding· JAMB
Isotopes of an element have the same number of:
Explanation and discussion
Question 71· Atomic structure and bonding· JAMB
The maximum number of electrons a p sub-shell can hold is
Explanation and discussion
Question 72· Atomic structure and bonding· JAMB
The bond between the two atoms in a nitrogen molecule (N₂) is
Explanation and discussion
Question 73· Atomic structure and bonding· JAMB
Across a period from left to right, the first ionisation energy generally
Explanation and discussion
Question 74· Atomic structure and bonding· JAMB
An element with atomic number 19 belongs to group
Explanation and discussion
Question 75· Atomic structure and bonding· JAMB
A dative (coordinate) covalent bond is present in
Explanation and discussion
Question 76· Atomic structure and bonding· JAMB
The shape of the methane molecule is
Explanation and discussion
Question 77· Atomic structure and bonding· JAMB
Chlorine consists of 75% ³⁵Cl and 25% ³⁷Cl. Find its relative atomic mass.
Explanation and discussion
Question 78· Atomic structure and bonding· JAMB
Metallic bonding consists of
Explanation and discussion
Question 79· Atomic structure and bonding· JAMB
An element has 11 protons and 12 neutrons. Its mass number is:
Explanation and discussion
Question 80· Atomic structure and bonding· JAMB
The period of an element in the periodic table shows the number of
Explanation and discussion

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JAMB Chemistry questions

Rutherford's gold-foil experiment showed that the atom

Which quantum number describes the shape of an orbital?

The electron was discovered by

Water has an unusually high boiling point for its molecular size mainly because of

The diagram represents an atom of

The shape of the water molecule is

An element with electronic configuration 2, 8, 7 belongs to group

An atom has mass number 27 and 14 neutrons. How many electrons are in its outermost shell?

The electronic configuration of an element with atomic number 12 is:

Isotopes of an element have the same number of:

The maximum number of electrons a p sub-shell can hold is

The bond between the two atoms in a nitrogen molecule (N₂) is

Across a period from left to right, the first ionisation energy generally

An element with atomic number 19 belongs to group

A dative (coordinate) covalent bond is present in

The shape of the methane molecule is

Chlorine consists of 75% ³⁵Cl and 25% ³⁷Cl. Find its relative atomic mass.

Metallic bonding consists of

An element has 11 protons and 12 neutrons. Its mass number is:

The period of an element in the periodic table shows the number of