Same chapter3 marksDifficulty: Medium
Explain the formation of a molecule of methane, naming the type of bond.
Atomic Structure and Chemical Bonding
3 marksDifficulty: Medium
An atom has an atomic number of 17 and a mass number of 35. Write its electronic configuration and state the number of neutrons.
Original Khojo Papers practice question — not from a past board paper.
Answer
The configuration is 2, 8, 7 and there are 18 neutrons.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The number of neutrons is the mass number minus the atomic number, 35 − 17 = 18.
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