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प्रश्न
Name two particles found inside the nucleus. What are they collectively called ?
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उत्तर
Protons and Neutrons. Mass number.
APPEARS IN
संबंधित प्रश्न
WRITE SHORT ANSWER
Define an ionic compound.
ANSWER IN DETAIL
How are isobars different from isotopes ?
Define:- Molecule
Write the names of the elements present in the following compound.
Common salt
Fill in the blank
An ion with negative charge is called _______
Define: Mass number
Name three non-metals/radicals which have valency -1, -2, and -3.
Give two examples for each of ionic and covalent bond.
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.
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
The basic unit of matter is ______.
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
Define – Atom.
Define the term ions or radicals.
The volume occupied by 4.4 g of CO2 at S.T.P ______
The most abundant type of atom is the universe is ______.
An atom of Oxygen (O) and two atoms of hydrogen (H.) combine to form a molecule of ______.
What is the fundamental particle of an element?
Atoms have a radius of the order ______.
