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प्रश्न
Write the names of the elements present in the :-
Sulphuric acid
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उत्तर
Sulphuric acid : Hydrogen, sulphur, oxygen.
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संबंधित प्रश्न
ANSWER IN DETAIL
How are isobars different from isotopes ?
Define:- Radicals
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
Define: Covalent bond
Give two examples for each of ionic and covalent bond.
What are the building blocks of matter ?
Fill in the following blanks with suitable words :
In water, the proportion of oxygen and hydrogen is .............. by mass.
Give scientific reason.
All the mass of an atom is concentrated in the nucleus.
Define the following term:
Atom
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will gain electron?
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
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.
Atoms of different elements having the same number of ______ are called isotones.
Atoms of one element can be transmuted into atoms of other elements by ______
The number of atoms present in a molecule is called its ______.
A change in the physical state can be brought about
Write any two observations which support the fact that atoms are divisible.
