Question : Which of the following pairs of 'number – composition' is correct?

I. Atomic number – number of protons
II. Mass number – Sum of number of neutrons and protons

Option 1: Only I

Option 2: Neither I nor II

Option 3: Both I and II

Option 4: Only II

Question : Directions: Which one of the following responses would be a meaningful order of the following in ascending order?
1. Atom
2. Matter
3. Molecule
4. Electron

Option 1: 4, 1, 3, 2

Option 2: 3, 1, 4, 2

Option 3: 3, 4, 1, 2

Option 4: 1, 2, 3, 4

Question : Which of the following elements has an atomic number greater than that of fluorine?

Option 1: Sodium

Option 2: Beryllium

Option 3: Nitrogen

Option 4: Boron

Question : Which among the following is not a characteristic of transition metals?

Option 1: Tendency to gain an electron

Option 2: Low electronegativity

Option 3: Low ionisation energy

Option 4: Malleability

Question : Which are the four quantum numbers for an electron present in 4f orbital?

Option 1: n=4, I=3, m=+1, s=+1 / 2

Option 2: n=3, I=2, m=-2, s=+1 / 2

Option 3: n=4, I=4, m=-4, s=-1 / 2

Option 4: n=4, I=3, m=+4, s=+1 / 2