Advertisements
Advertisements
प्रश्न
For the symbols H, D and T, write the subatomic particles (protons, neutrons and electrons) found in each one of them.
Advertisements
उत्तर
H- 1 proton, 1 electron and no neutron.
D- 1 proton, 1 electron and 1 neutron.
T- 1 proton, 1 electron and 2 neutrons.
APPEARS IN
संबंधित प्रश्न
Write the names of the elements present in the following compound.
Common salt
Write the names of the elements present in the:-
Glucose
Write the names of `"Ca"("NO"_3)_2` compounds :
Fill in the blank
An ion with negative charge is called _______
Name the particles which revolve around the nucleus.
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
Write electronic configuration of oxygen, fluorine, sodium, silicon, argon.
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the mass number of X?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the charge on the particle ?
What are the building blocks of matter ?
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 |
Draw diagrams representing the atomic structures of the following:
- Sodium atom
- Chlorine ion
- Carbon atom
- Oxygen ion
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 gain electron?
Define the following term with an example.
Non-metal
Give the salient features of “Modern atomic theory”.
Lead is also known as plumbum.
