Advertisements
Advertisements
प्रश्न
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
उत्तर
If an atom loses an electron, it acquires positive a charge
APPEARS IN
संबंधित प्रश्न
The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes `""_8^16X" and """_8^18X` in the sample?
TRUE \ FALSE
Cathode rays are a stream of fast moving particles that travel in random directions.
ANSWER IN DETAIL
Enlist the features of Bohr’s model of an atom. How did he correct the Rutherford’s model ?
Write the names of the elements present in the :-
Sulphuric acid
Fill in the blank
An ion with positive charge is called ______
Name the particle or particles you would expect to find in :
The orbit of an 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 such a particle called ?
Fill in the following blanks with suitable words :
In water, the proportion of oxygen and hydrogen is .............. by mass.
Deduce from the datum provided.
Datum | To deduce |
\[\ce{_11^23Na}\] | Neutron number |
\[\ce{_6^14C}\] | Mass number |
\[\ce{_17^37 Cl}\] | Proton number |
What is the contribution of the following in atomic structure?
Maharshi Kanada
Draw the basic structure of an atom representing its –
- Subatomic particles
- Nucleus
- Orbits or shells.
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
A compound containing one atom of carbon and two atoms of oxygen is ______.
The basic unit of matter is ______.
Define the following term with an example.
Metal
Define the term ions or radicals.
In the nucleus of `""_20"Ca"^40`, there are ______
Atoms of different elements having the same number of ______ are called isotones.
The most abundant type of atom is the universe is ______.