The group IA metals are not found free in nature because ...
The group IA metals are not found free in nature because they
are very reactive and unstable
are malleable and ductile
have high melting and boiling point
conduct heat and electricity
Correct answer is A
No explanation has been provided for this answer.
The oxidation number of phosphorus in PO 3/4 is ...
When an acidic solution is diluted, what happens to its pH? ...
The first metal used by man was ...
When ammonia and hydrogen ion bond together to form ammonium ion, the bond formed is called ...
An example of element that can catenate is ...
Smog usually occurs over cities which ...
C2H4(g) + H2(g) → C2H6(g) ΔH = -137kJ mol-1 The reaction represented above is...
The elements that belong to the third period of the periodic table are? ...