Ask a Question
Question Asked by a Student from EXXAMM.com Team
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.
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)