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प्रश्न
Name the particle or particles you would expect to find in :
The orbit of an atom
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उत्तर
The orbit of an atom : electrons
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संबंधित प्रश्न
Why is it not possible to see an atom with naked eyes?
Tick the most appropriate answer.
Who discovered that radioactive rays are given out by uranium?
- Henri Becquerel
- Marie Curie
- Pierre Curie
- Schmidt
Write the names of the elements present in the following compound.
Common salt
Write the names of the elements present in the:-
Acetic acid
Define: An Atom:
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is such a particle called ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the mass number of X?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
Does the particle have an excess of electrons or a deficiency of electrons ?
Name the unit in which the radius of an atom is usually expressed.
State two observations which show that atom is not indivisible.
Define the following term:
Atom
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
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.
Draw the structure of an atom and explain the position of the sub-atomic particles.
Which of the following statements made by Dalton has not undergone any change?
In the nucleus of `""_20"Ca"^40`, there are ______
Atoms of different elements having the same number of ______ are called isotones.
The smallest unit of an element is ______.
