Advertisements
Advertisements
प्रश्न
Match the pairs.
| Group 'A' | Group 'B' |
| a. Proton | i. Negatively charged |
| b. Electron | ii. Neutral |
| c. Neutron | iii. Positively charged |
Advertisements
उत्तर
| Group 'A' | Answer |
| a. Proton | iii. Positively charged |
| b. Electron | i. Negatively charged |
| c. Neutron | ii. Neutral |
संबंधित प्रश्न
Write the names of the elements present in the:-
Glucose
Write the names of the elements present in the:-
Sodium hydroxide
Write the names of `"Na"_3"PO"_4` compounds :
How did Neils Bohr visualise the atom ?
Name the particle or particles you would expect to find in :
The nucleus of an atom
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the charge on the particle ?
Name the unit in which the radius of an atom is usually expressed.
Write the relation between nanometre and metre.
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)
Calculate the number of moles in 12.044 × 1025 atoms of phosphorus.
Draw the electron dot structure of this compound.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
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 ______
Which of the following has maximum number of atoms?
A change in the physical state can be brought about
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
