Elements having the same mass number and different atomic number is called
Isobars
Isotopes
Isochores
Isotones
The path of only some alpha particles deviate because of
Nucleus repels positively charged alpha particles
Neutrons deviate the alpha particles
Electrons deviate the alpha particles
Meson deviates the alpha particle
Which of the following is an example of isotopes?
6P14 17Q35
17Q35 7R14
17Cl35 17Cl37
6P14 7R14
18 Ar40, 20Ca40 is an example of
Isotope
Isobar
Isotropes
______________ is the name of isotope with one neutron.
Protium
Deuterium
Tritium
Oxygen
The charge and mass (e/m) ratio of electron is
1.76 x 1011 C/kg
1.6 x 10-19 C
9.1 x 10-31 Kg
9.1 x 10-24Kg
_____ is a metal which can be made into very thin foil.
Copper
Calcium
Gold
Potassium
The _________ of an atom is concentrated in the nucleus.
Mass
Charge
Volume
Density
__________ is used in nuclear reactors.
Heavy water
