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Question
Write true or false for the following statement
The central pad of the atom is called nucleus.
Options
True
False
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Solution
True
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number of valence electrons present in magnesium is
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Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
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What is an atom?
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Name the isotopes of hydrogen.
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
State the location of electrons, protons and neutrons in an atom.
Which of the following statement is always correct?
Define the term Valence shell.
Select the correct answer from the choice in the bracket to complete the sentence:
A ________ is a sub-atomic particle with no charge and unit mass.
