JAMB and WAEC Chemistry questions: Atomic structure and bonding

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

All topics Acids, bases and salts · 58 Air · 37 Atomic structure and bonding · 59 Chemical combination · 58 Chemical equilibrium · 37 Chemistry and industry · 35 Electrolysis · 41 Energy changes · 38 Environmental pollution · 32 Kinetic theory of matter and gas laws · 45 Metals and their compounds · 47 Non-metals and their compounds · 45 Organic compounds · 72 Oxidation and reduction · 41 Rates of chemical reaction · 38 Separation of mixtures and purification · 42 Solubility · 36 Water · 39

Question 21· Atomic structure and bonding· JAMB
The shape of the water molecule is
Explanation and discussion
Question 22· Atomic structure and bonding· JAMB
An element with electronic configuration 2, 8, 7 belongs to group
Explanation and discussion
Question 23· 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 24· Atomic structure and bonding· WAEC
Sodium chloride has a high melting point because of
Explanation and discussion
Question 25· Atomic structure and bonding· JAMB
The electronic configuration of an element with atomic number 12 is:
Explanation and discussion
Question 26· Atomic structure and bonding· JAMB
Isotopes of an element have the same number of:
Explanation and discussion
Question 27· Atomic structure and bonding· WAEC
An atom of chlorine has mass number 37 and atomic number 17. How many neutrons does it contain?
Explanation and discussion
Question 28· Atomic structure and bonding· JAMB
The maximum number of electrons a p sub-shell can hold is
Explanation and discussion
Question 29· Atomic structure and bonding· JAMB
The bond between the two atoms in a nitrogen molecule (N₂) is
Explanation and discussion
Question 30· Atomic structure and bonding· WAEC
Isotopes of an element differ in their number of
Explanation and discussion
Question 31· Atomic structure and bonding· WAEC
The number of protons in an atom is its
Explanation and discussion
Question 32· Atomic structure and bonding· JAMB
Across a period from left to right, the first ionisation energy generally
Explanation and discussion
Question 33· Atomic structure and bonding· WAEC
The electronic configuration of an atom with atomic number 12 is
Explanation and discussion
Question 34· Atomic structure and bonding· JAMB
An element with atomic number 19 belongs to group
Explanation and discussion
Question 35· Atomic structure and bonding· WAEC
The negatively charged particle in an atom is the
Explanation and discussion
Question 36· Atomic structure and bonding· WAEC
Chlorine, bromine and iodine have similar chemical properties because they have the same number of
Explanation and discussion
Question 37· Atomic structure and bonding· JAMB
A dative (coordinate) covalent bond is present in
Explanation and discussion
Question 38· Atomic structure and bonding· JAMB
The shape of the methane molecule is
Explanation and discussion
Question 39· Atomic structure and bonding· WAEC
The bond between hydrogen and chlorine in a hydrogen chloride molecule is
Explanation and discussion
Question 40· Atomic structure and bonding· WAEC
Across a period from left to right, atomic radius
Explanation and discussion

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JAMB and WAEC Chemistry questions: Atomic structure and bonding

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?

Sodium chloride has a high melting point because of

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

Isotopes of an element have the same number of:

An atom of chlorine has mass number 37 and atomic number 17. How many neutrons does it contain?

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

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

Isotopes of an element differ in their number of

The number of protons in an atom is its

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

The electronic configuration of an atom with atomic number 12 is

An element with atomic number 19 belongs to group

The negatively charged particle in an atom is the

Chlorine, bromine and iodine have similar chemical properties because they have the same number of

A dative (coordinate) covalent bond is present in

The shape of the methane molecule is

The bond between hydrogen and chlorine in a hydrogen chloride molecule is

Across a period from left to right, atomic radius