Advertisements
Advertisements
प्रश्न
Name the particles which actually determine the mass of an atom.
Advertisements
उत्तर
The particles which actually determine the mass of an atom are neutrons and protons.
APPEARS IN
संबंधित प्रश्न
Multiple Choice Questions
If the atomic number of an atom is 17 and mass number is 35 then number of neutron will be
Fill in the blank of the following statement :
The total number of protons and neutrons in the nucleus of an atom is called its _________.
From the symbol `""_15^31"P"`, state : atomic number of phosphorus
Give reason
Actual atomic mass is greater than mass number.
An element A atomic number 7 mass numbers 14
B electronic configuration 2,8,8
C electrons 13, neutrons 14
D Protons 18 neutrons 22
E Electronic configuration 2,8,8,1
State Valency of each element
An element A atomic number 7 mass numbers 14
B electronic configuration 2,8,8
C electrons 13, neutrons 14
D Protons 18 neutrons 22
E Electronic configuration 2,8,8,1
State (i) Valency of each element (ii) which one is a metal (iii) which is non-metal (iv) which is an inert gas
Draw the atomic diagram of the following element showing the distribution of – protons, neutrons and the electrons in the various shell of the atom.
Oxygen – \[\ce{^16_8O}\]
[The upper number represent the – mass number and the lower number represent the – atomic number e.g. calcium – mass number = 40, atomic number = 20]
Which of the following are true for an element?
- Atomic number = number of protons + number of electrons
- Mass number = number of protons + number of neutrons
- Atomic mass = number of protons = number of neutrons
- Atomic number = number of protons = number of electrons
Electrons revolve around the nucleus in definite open shells.
What are the letters A, Z, and X stand for?
Compare the charge and mass of protons and electrons.
