Advertisements
Advertisements
प्रश्न
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is such a particle called ?
Advertisements
उत्तर
What is such a particle called= anion
APPEARS IN
संबंधित प्रश्न
WRITE SHORT ANSWER
Define an ionic compound.
WRITE SHORT ANSWER
Name three inert gases.
Define:- Atom
Define:- Radicals
Fill in the blank:
Atoms are _____
Give the charge and the mass of an electron, proton and neutron present in an atom ?
Who originated the word ‘atom’ ?
State Dalton’s atomic theory.
Name the unit in which the radius of an atom is usually expressed.
What value has been given to the mass of this reference atom ?
State two observations which show that atom is not indivisible.
Match the pairs.
| Group 'A' | Group 'B' |
| a. Proton | i. Negatively charged |
| b. Electron | ii. Neutral |
| c. Neutron | iii. Positively charged |
Deduce from the datum provided.
| Datum | To deduce |
| \[\ce{_11^23Na}\] | Neutron number |
| \[\ce{_6^14C}\] | Mass number |
| \[\ce{_17^37 Cl}\] | Proton number |
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of aluminium
K: Potassium:: C: ______.
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.
Define the term ions or radicals.
Which of the following has maximum number of atoms?
