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प्रश्न
Fill in the blank
An _______ is electrically neutral.
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उत्तर
An atom is electrically neutral
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संबंधित प्रश्न
TRUE \ FALSE
Neils Bohr gave the theory to explain the arrangement of protons in an atom.
WRITE SHORT ANSWER
Name three inert gases.
ANSWER IN DETAIL
State the postulates of the Dalton’s atomic theory.
Write the names of the elements present in the:-
Glucose
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Fill in the blank
An ion with negative charge is called _______
Name two particles found inside the nucleus. What are they collectively called ?
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Write the full form of IUPAC.
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Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will gain electron?
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
Draw the basic structure of an atom representing its –
- Subatomic particles
- Nucleus
- Orbits or shells.
A radical take part – unsplit in a chemical reaction and retains its identity in reactions.
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- ammonium
- bisulphate
- carbonate
state the group of atoms present in each radical.
Define the following term with an example.
Non-metal
The volume occupied by 4.4 g of CO2 at S.T.P ______
The number of atoms present in a molecule is called its ______.
Write any two observations which support the fact that atoms are divisible.
The most abundant type of atom is the universe is ______.
