Periodic Classi...

Element X forms a chloride with the formula XCl₂ which is a solid with a high melting point.  X would most likely to be in the same group of the periodic table as

Which of the following statement is not a correct statement about the trends when going from left to right across the periodic table.

By considering their position in the periodic table which one of the following elements would you expect to have maximum metallic characteristic?

Which one of the following is the most reactive?

Match the following with correct response.
(1) Alkali metals
(2) Alkaline earth metal
(3) Halogen
(4) Inert gas

(A) Magnesium
(B) Krypton
(C) Chlorine
(D) Sodium

Match the following with correct response.
(1) Dobereiner
(2) Newland
(3) Mendeleev
(4)Modern periodic law

(A) Atomic mass
(B) Triads
(C) Atomic number
(D) Octaves

Match the following with correct response.
(1) Short Period
(2) Third Period
(3) Fifth Period
(4) Sixth Period

(A) 32 elements
(B) 8 elements
(C) 2 elements
(D) 18 Elements

Match the following with correct response.
(1) Periods
(2) Groups
(3) Eight groups
(4) Eighteen groups

(A) Vertical rows
(B) Mendeleev's Periodic table
(C) Horizontal rows
(D) Modern periodic table

Match the following with correct response.
(1) Valency
(2) In groups
(3) In Period
(4) Elements on the left hand side

(A) Valency remains same
(B) Metals
(C) Atomic size decreases
(D) Combining capacity