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प्रश्न
The electron shell ______ is nearest to the nucleus.
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उत्तर
The electron shell K is nearest to the nucleus.
संबंधित प्रश्न
TRUE \ FALSE
Neils Bohr gave the theory to explain the arrangement of protons in an atom.
WRITE SHORT ANSWER
Define an ionic compound.
Write the names of `("NH"_4)_2"SO"_4` compounds:
Fill in the blank
An ion with positive charge is called ______
Name the particles which revolve around the nucleus.
An atom has 13 protons and 14 neutrons.
How many electrons would be present in this atom ?
Fill in the blank
A deficiency of electrons produces a ________ charge.
What are the building blocks of matter ?
How many times is a proton heavier than an electron?
How many atoms are there in exactly 12 g of carbon-12 element ? (C = 12 u)
Electron, proton, neutron are the types of ______ in an atom.
In what respects do the three isotopes of hydrogen differ? Give their structures.
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.
Assertion: An atom is electrically neutral.
Reason: Atoms have equal number of protons and electrons.
Define the following term with an example.
Non-metal
Which of the following statements made by Dalton has not undergone any change?
______ is the smallest particle of an element.
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.
