A metal is a substance which…….
a) loses electron
b) gains electron
c) loses proton
d) gains protons
A metal when loses an electron, it forms……
a) cation
b) anion
c) redical
d) free redical
Metals are high……
a) electronegative
b) electropositive
c) neutral
d) none of these
Which of the following non-metal have tendency to lose electron?
a) oxygen
b) nitrogen
c) fluorine
d) hydrogen
Which of the following in group-I is/are metal/s?
a) hydrogen
b) lithium
c) sodium
d) all except hydrogen
Which of the following in group-II is/are metal/s?
a) magnesium
b) calcium
c) barium
d) all of these