Advertisements
Advertisements
प्रश्न
The diagram represents an isotope of hydrogen [H]. Answer the following:
Atomic no. = 1
Mass no. = 1
Do isotopes have the same atomic number or the same mass number?
Advertisements
उत्तर
Same atomic number.
APPEARS IN
संबंधित प्रश्न
Explain the Mass number with example.
What are the atomic numbers of elements whose outermost electrons is represented by 3p5?
Fill in the blank of the following statement :
All the mass of an atom is concentrated in a small region of space called the ___________.
Fill in the following blanks in respect of an atom of an element
| No. of protons | No. of neutron | Mass number | Atomic number | No. of electrons | Symbol |
| 11 | 12 | ___________ | ___________ | ___________ | ________ |
Match the atomic numbers 4,8,10,15 and 19 with the following:
Element with 6 valence electrons
If an atom ‘A’ has mass number 35 and atomic number 17, state the number of protons, electrons and neutrons it contains.
State why the atomic weight of an element is also termed relative atomic mass.
Draw the atomic diagram of the following element showing the distribution of – protons, neutrons and the electrons in the various shell of the atom.
Argon – \[\ce{^40_18Ar}\]
[The upper number represent the – mass number and the lower number represent the – atomic number e.g. calcium – mass number = 40, atomic number = 20]
Give short answer:
what is the atomic mass number? mention its formula.
What are the letters A, Z, and X stand for?
