EASY
9th ICSE
IMPORTANT
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Which one of the following is a correct electronic configuration of sodium?

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Important Questions on Atomic Structure and Chemical Bonding

EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 25
How many energy levels are present in sodium atom?
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 26
The valency of fluorine atom is
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 27
Isotopes of an element have
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 28
Which of the following is not an isotope of hydrogen?
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 29
The bond formed between nitrogen atoms in a molecule is
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 33
Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order. Rutherford's atomic model, Thomson's atomic model, Bohr's atomic model.
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 34
Why did Rutherford select a gold foil in his α-ray scattering experiment?
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>EXAM PRACTICE>Q 35
If Mg2+ has 12 protons and 12 neutrons, what is its atomic number and mass number?