Advertisements
Advertisements
प्रश्न
The diagram represents an isotope of hydrogen [H]. Answer the following:
Atomic no. = 1
Mass no. = 1
If an isotope of ‘H’ has mass no. = 2, how many electrons does it have.
Advertisements
उत्तर
One electron.
APPEARS IN
संबंधित प्रश्न
What are the atomic numbers of elements whose outermost electrons is represented by 3s1.
The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What is its atomic number and mass number?
The diagram represents an isotope of hydrogen [H]. Answer the following:
Atomic no. = 1
Mass no. = 1
Which sub-atomic particles in the 3 isotopes of ‘H’ are the same.
What is common salt? Name the elements present in it. Write the formula of common salt. What are the atomic number and the mass number of the elements? Write the ions in the compound.
What is a neutron?
‘A’ is denoted by ______.
‘Z’ is denoted by ______.
Mass No =______ + No. of Neutrons.
What is the relation between mass number & atomic number?
State the term for the following:
The amount of substance which contains the same number of units as the number of atoms in carbon-12.
