VIII JEE Atomic structure WS 2

The charge of electron in esu is

• -4. 8×10^-10

• 4.8×10^-10

• 5.8×10^-10

• None

Which of following correct about electron?

• It is negatively charged

• Mass of electron is equal to mass of neutron

• Basic constituents of all atoms

• Both 1&3

Element without fundamental particle is

• Hydrogen

• Nitrogen

• Oxygen

• Chlorine

Which of the following particle is not present in protium?

• Electron

• Neutron

• Proton

• Pion

The relative mass of electron

• 0.0005486 amu

• 1.007276 amu

• 1.008665 amu

• 1.7928 amu

The relative charge of proton is

• -1

• +1

• 0

• +2

Mass of one mole of neutron is

• 1.008655 g

• 0.00055 g

• 1.007276 g

• 9.1× 10^-31 g

The massive particle is

• alpha

• Deuteron

• Proton

• Beta

Which is correct about electron?

• Mass of an electron is equal to mass of neutron

• Mass of electron is equal to mass of proton

• It is basic constituent of all atoms

• It is a constituent of anode rays

Which is not a fundamental particle?

• Proton

• Neutron

• Alpha particle

• Electron