General
✓✗Rutherford’s gold foil experiment led to the discovery of
- Electrons
- Atom
- Neutrons
- Nucleus
General
✓✗Number of valence electrons in chloride ion is
- 7
- 8
- 2
- 6
General
✓✗Atomic number is equal to the number of
- Nucleons
- Neutrons
- Protons
- Protons and neutrons
General
✓✗Which shell of an atom can accommodate a maximum of 32 electrons?
- 3rd
- 4th
- 5th
- 6th
General
✓✗The relative mass of an electron is about
- 2 u
- \( \dfrac{1}{1836} \) u
- 4 u
- 1 u
General
✓✗Which one of the following shows both electrovalency and covalency?
- Chlorine
- Oxygen
- Nitrogen
- All of these
General
✓✗Atomic number is represented by letter
- A
- X
- L
- Z
General
✓✗The process by which large amount of energy is obtained from uranium - 235 in power plants is called
- Nuclear fusion
- Nuclear fission
- Electrochemical reaction
- Photochemical reaction
General
✓✗An alpha particle is actually
- H+ (hydrogen ion)
- He2+ (helium nucleus)
- Cl− (chloride ion)
- Na+ (sodium ion)
General
✓✗Which of the following does not show electrovalency?
- Oxygen
- Nitrogen
- Carbon
- Chlorine