GK
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Left/ Middle
|
|
|
Right
|
|
|
Staircase
|
|
|
None of the above
|
Detailed explanation-1: -The metals are to the left of the line (except for hydrogen, which is a nonmetal), the nonmetals are to the right of the line, and the elements immediately adjacent to the line are the metalloids .
Detailed explanation-2: -Non-metals are located on the upper right side of the periodic table.
Detailed explanation-3: -Explanation : Group VIIA is the only group in periodic table in which all the elements are nonmetals. This group contains F, Cl, Br, I and At. The other name of this group is halogen which means salt producer.
Detailed explanation-4: -Non-metals are natural materials that do not produce heat or electricity and that are structurally brittle (can not be easily rolling, moulding, extruding or pressing). Hydrogen, carbon, nitrogen, oxygen, phosphorus, arsenic and selenium are the non-metallic elements in the periodic table.
Detailed explanation-5: -The metals are situated on the left-hand side of the periodic table and are separated from non-metals by the zig-zag line present in the periodic table.