Going across a period left to right, atomic size .........

As we move across a period from left to right, nonmetallic character________ (decreases/increases)

As we move across a period from left to right, metallic character ______ (decreases/ increases)

(a) Electropositive nature of the element(s) increases down the group and decreases across the period (b) Electronegativity of the element decreases down the group and increases across the period (c) Atomic size increase down the group and decreases across a period (left to right) (d) Metallic character increases down the group and decreases across a period On the basis of the above trends of the periodic table, answer the following about the electron with atomic number 3 to 9 (a) Name the most electropositive element among them (b) Name the most electronegative element (c) Name of the element with smallest atomic size (d) Name the element which is a metalloid (e) Name the element which shows maximum valency.

Ionisation potential increases in a period from left to right because

Generally electron gain enthalpy _____________ on going down a group, and _____________ on going across the period from left to right.

Give a reason for the following: Ionisation potential increases across a period, from left to right.

Choose the correct answer: Ionisation Potential increases over a period from left to right because the:

Choose the correct answer from the options given below : Ionisation Potential increases over a period from left to right because the :

Which of the following is generally true. A: Atomic size increases from left to right across a period. B: Ionization potential increases from left to right across a period. C: Electron affinity increases on going down a group. D: Electronegativity increases on going down a group.

Moving from right to left in a periodic table, the atomic size is :