Q 2712023839.     `S_1` : Metals comprises less than `78%` of all known elements and appear on the left side of the periodic table.
`S_2` : Silicon, germanium, arsenic, antimony, selenium and tellurium all are semi-metals.
`S_3` : The following order represents the correct increasing order of metallic character; `P < Si < Be < Mg < Na`
`S_4` : Solubility of the carbonates of alkali metals increases with increasing atomic number.

A

FFTT

B

TTFF

C

FTFT

D

TTTT

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