(1). The screening effect of inner electrons of the nucleus causes

• (a). decrease in the ionization enthalpy
• (b). increase in the ionization enthalpy
• (c). no effect on the ionization enthalpy
• (d). increases the attraction of the nucleus for the electrons
• (e). None of these

(2). Which of the following properties does not depend on periodicity?

• (a). Electron affinity
• (b). Atomic number
• (c). Ionization energy
• (d). Electronegativity
• (e). None of these

(3). Which of the following does not reflect the periodicity of elements ?

• (a). Bonding behaviour
• (b). Electronegativity
• (c). Ionisation potential
• (d). Neutron/proton ratio
• (e). None of these

(4). The ionization potential is lowest for the

• (a). halogens
• (b). inert gas
• (c). alkaline earth metals
• (d). alkali metals
• (e). None of these

(5). An element of atomic number 29 belongs to which of the following block of the periodic table ?

• (a). s-block
• (b). p-block
• (c). f-block
• (d). d-block
• (e). None of these

(6). In the periodic table, with the increase in atomic number, the metallic character of an element

• (a). decreases in a period and increases in a group
• (b). increases in a period and decreases in a group
• (c). increases both in a period and the group
• (d). decreases in a period and the group
• (e). None of these

(7). Alkaline earth metal carbonates are sparingly soluble. On moving down the group solubility of alkaline earth metal carbonates

• (a). increases
• (b). decreases
• (c). remains constant
• (d). none of these
• (e). None of these

(8). Among the following which one has the highest cation to anion size ratio ?

• (a). CsI
• (b). CsF
• (c). LiF
• (d). NaF
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these