Advertisements
Advertisements
Question
Define:- Molecule
Advertisements
Solution
Molecule : Molecule is the smallest unit of a compound (or an element) which always has an independent existance.
APPEARS IN
RELATED QUESTIONS
ANSWER IN DETAIL
Enlist the features of Bohr’s model of an atom. How did he correct the Rutherford’s model ?
ANSWER IN DETAIL
How are isobars different from isotopes ?
Define:- Atom
Define:- Radicals
Give two examples for each of ionic and covalent bond.
An atom has 13 protons and 14 neutrons.
What is the atomic number of the atom ?
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
Fill in the blank
If an atom gains an electron, it is called an _______
Define the following term:
Atom
A radical take part – unsplit in a chemical reaction and retains its identity in reactions.
With reference to the radical –
- ammonium
- bisulphate
- carbonate
state the group of atoms present in each radical.
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of aluminium
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
The basic unit of matter is ______.
K: Potassium:: C: ______.
1 mole of Gold and Silver contain same number of atoms.
Dalton’s atomic theory successfully explained
(i) Law of conservation of mass
(ii) Law of constant composition
(iii) Law of radioactivity
(iv) Law of multiple proportions
What is the fundamental particle of an element?
What are the 3 most abundant atoms on the earth?
Atoms have a radius of the order ______.
