EASY
9th CBSE
IMPORTANT
Earn 100

The neutron has charge. (positive / no / negative)

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Important Questions on Structure of Atom

EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 5
An atom has atomic mass number 23 and atomic number 11. The atom has _____ electrons.
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 6
What are isotopes? Write three isotopes of hydrogen.
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 7
Isotopes have same chemical properties but different physical properties. Explain.
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 8
How do the two isotopes of chlorine differ?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 9
Give two applications of isotopes.
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 10
Write the electronic configurations of Al1327 and S1632.
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 11
Electrons are present in all matter and carry negative charge.
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 4 - Structure of Atom>Revision Exercise>Q 11
In Na+, number of electrons are more than the number of protons.