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 41· Atomic structure and bonding· JAMB
Chlorine consists of 75% ³⁵Cl and 25% ³⁷Cl. Find its relative atomic mass.
Explanation and discussion
Question 42· Atomic structure and bonding· JAMB
Metallic bonding consists of
Explanation and discussion
Question 43· Atomic structure and bonding· JAMB
An element has 11 protons and 12 neutrons. Its mass number is:
Explanation and discussion
Question 44· Atomic structure and bonding· JAMB
The period of an element in the periodic table shows the number of
Explanation and discussion
Question 45· Atomic structure and bonding· WAEC
An atom with 11 protons and 12 neutrons has a mass number of
Explanation and discussion
Question 46· Atomic structure and bonding· WAEC
What is the electron configuration of an atom of atomic number 13?
Explanation and discussion
Question 47· Atomic structure and bonding· JAMB
The bond in sodium chloride is:
Explanation and discussion
Question 48· Atomic structure and bonding· JAMB
The configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ belongs to
Explanation and discussion
Question 49· Atomic structure and bonding· WAEC
The atoms ³⁵Cl and ³⁷Cl differ in their number of
Explanation and discussion
Question 50· Atomic structure and bonding· WAEC
The electron configuration of chlorine (atomic number 17) is
Explanation and discussion
Question 51· Atomic structure and bonding· WAEC
Isotopes of an element have
Explanation and discussion
Question 52· Atomic structure and bonding· JAMB
The electronic configuration of the calcium ion, Ca²⁺ (atomic number 20), is
Explanation and discussion
Question 53· Atomic structure and bonding· JAMB
Which element has the highest electronegativity?
Explanation and discussion
Question 54· Atomic structure and bonding· WAEC
The shape of a methane molecule is
Explanation and discussion
Question 55· Atomic structure and bonding· JAMB
Which of the following contains a dative (coordinate) covalent bond?
Explanation and discussion
Question 56· Atomic structure and bonding· WAEC
The particles found in the nucleus of an atom are
Explanation and discussion
Question 57· Atomic structure and bonding· WAEC
An atom of an element has 11 protons and 12 neutrons. Its mass number is
Explanation and discussion
Question 58· Atomic structure and bonding· WAEC
The element with electron configuration 2, 8, 2 belongs to
Explanation and discussion
Question 59· Atomic structure and bonding· JAMB
Which molecule has a tetrahedral shape?
Explanation and discussion

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JAMB and WAEC Chemistry questions: Atomic structure and bonding

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

An atom with 11 protons and 12 neutrons has a mass number of

What is the electron configuration of an atom of atomic number 13?

The bond in sodium chloride is:

The configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ belongs to

The atoms ³⁵Cl and ³⁷Cl differ in their number of

The electron configuration of chlorine (atomic number 17) is

Isotopes of an element have

The electronic configuration of the calcium ion, Ca²⁺ (atomic number 20), is

Which element has the highest electronegativity?

The shape of a methane molecule is

Which of the following contains a dative (coordinate) covalent bond?

The particles found in the nucleus of an atom are

An atom of an element has 11 protons and 12 neutrons. Its mass number is

The element with electron configuration 2, 8, 2 belongs to

Which molecule has a tetrahedral shape?