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प्रश्न
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
पर्याय
Molecule
Orbits
Atom
Valency
Radical
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उत्तर
Orbit
APPEARS IN
संबंधित प्रश्न
Define: Ions
Define: Mass number
Name two particles found inside the nucleus. What are they collectively called ?
What is the maximum number of electrons present in:
1. first shell
2. second shell
3. third shell and
4. fourth shell
Name the particle or particles you would expect to find in :
The orbit of an atom
Fill in the blank
If an atom gains an electron, it is called an _______
Fill in the blank
An excess of electrons produces a ________ charge.
Fill in the following blanks with suitable words :
In water, the proportion of oxygen and hydrogen is .............. by mass.
How many atoms are there in exactly 12 g of carbon-12 element ? (C = 12 u)
Which has more atoms, 50 g of aluminium or 50 g of iron ? Illustrate your answer with the help of calculations.
(Atomic masses : Al = 27 u ; Fe = 25 u)
Give scientific reason.
All the mass of an atom is concentrated in the nucleus.
Define the following term:
Atom
What is the contribution of the following in atomic structure?
Maharshi Kanada
Name the gas that.
Turns moist starch iodide paper blue black.
The smallest particle of matter that can exist by itself is ______.
Assertion: An atom is electrically neutral.
Reason: Atoms have equal number of protons and electrons.
Draw the structure of an atom and explain the position of the sub-atomic particles.
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
Atoms of one element can be transmuted into atoms of other elements by ______
______ is a substance that is made up of three oxygen atoms chemically combined.
