JAMB Chemistry questions: Atomic structure and bonding

33 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 1· Atomic structure and bonding· JAMB
How many neutrons are in an atom of ³⁷₁₇Cl?
Explanation and discussion
Question 2· Atomic structure and bonding· JAMB
Covalent molecular compounds usually
Explanation and discussion
Question 3· Atomic structure and bonding· JAMB
How many electrons are in a sodium ion, Na⁺? (Atomic number of Na = 11)
Explanation and discussion
Question 4· Atomic structure and bonding· JAMB
Elements in the same group of the periodic table have the same number of
Explanation and discussion
Question 5· Atomic structure and bonding· JAMB
What is the mass number of the atom shown in the diagram?
Explanation and discussion
Question 6· Atomic structure and bonding· JAMB
The maximum number of electrons that the third shell (n = 3) can hold is
Explanation and discussion
Question 7· Atomic structure and bonding· JAMB
Electronegativity increases across a period mainly because
Explanation and discussion
Question 8· Atomic structure and bonding· JAMB
Rutherford's gold-foil experiment showed that the atom
Explanation and discussion
Question 9· Atomic structure and bonding· JAMB
Which quantum number describes the shape of an orbital?
Explanation and discussion
Question 10· Atomic structure and bonding· JAMB
The electron was discovered by
Explanation and discussion
Question 11· Atomic structure and bonding· JAMB
Water has an unusually high boiling point for its molecular size mainly because of
Explanation and discussion
Question 12· Atomic structure and bonding· JAMB
The diagram represents an atom of
Explanation and discussion
Question 13· Atomic structure and bonding· JAMB
The shape of the water molecule is
Explanation and discussion
Question 14· Atomic structure and bonding· JAMB
An element with electronic configuration 2, 8, 7 belongs to group
Explanation and discussion
Question 15· 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 16· Atomic structure and bonding· JAMB
The electronic configuration of an element with atomic number 12 is:
Explanation and discussion
Question 17· Atomic structure and bonding· JAMB
Isotopes of an element have the same number of:
Explanation and discussion
Question 18· Atomic structure and bonding· JAMB
The maximum number of electrons a p sub-shell can hold is
Explanation and discussion
Question 19· Atomic structure and bonding· JAMB
The bond between the two atoms in a nitrogen molecule (N₂) is
Explanation and discussion
Question 20· Atomic structure and bonding· JAMB
Across a period from left to right, the first ionisation energy generally
Explanation and discussion

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JAMB Chemistry questions: Atomic structure and bonding

How many neutrons are in an atom of ³⁷₁₇Cl?

Covalent molecular compounds usually

How many electrons are in a sodium ion, Na⁺? (Atomic number of Na = 11)

Elements in the same group of the periodic table have the same number of

What is the mass number of the atom shown in the diagram?

The maximum number of electrons that the third shell (n = 3) can hold is

Electronegativity increases across a period mainly because

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