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प्रश्न
Fill in the blank:
Atoms are _____
उत्तर
Atoms are neutral.
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संबंधित प्रश्न
Define:- Atom
Write the names of the elements present in the:-
Acetic acid
Define: Mass number
Who originated the word ‘atom’ ?
How did Neils Bohr visualise the atom ?
An atom has 13 protons and 14 neutrons.
What is the atomic number of the atom ?
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
Define: An Atom:
Fill in the blank
If an atom gains an electron, it is called an _______
What is the usual symbol for (a) and electron (b) a proton, and (c) a neutron?
What are the building blocks of matter ?
Write the relation between nanometre and metre.
Dalton's atomic theory says that atoms are indivisible. Is this statement still valid ? Give reasons for your answer.
One nm is equal to :
State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.
Draw the basic structure of an atom representing its –
- Subatomic particles
- Nucleus
- Orbits or shells.
K: Potassium:: C: ______.
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
Give the salient features of “Modern atomic theory”.
You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?
