Question

Q2. Classify following into metals and non-metals;- (i) Helium (ii) Sodium (iii) Mercury (iv) graphite (v) Carbon (vi) silicon (vii) Magnesium (viii) Phosphorous (ix) Arsenic (x) Antimony

Answer 1

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i) Helium is a nonmetal.

ii) sodium is a soft metal .

iii) mercury is a metal .

iv) graphite is a non metal .

v) carbon is a non metal.

vi) silicon is neither metal nor non metal, it is metalloid .

vii) magnesium is a non metal.

viii) Phosphorus is a nonmetal .

ix) arsenic is a metalloid .

x) antimony is a metalloid .

Answer 2

Answer:

i) Helium is a nonmetal.

ii) sodium is a soft metal .

iii) mercury is a metal .

iv) graphite is a non metal .

v) carbon is a non metal.

vi) silicon is neither metal nor non metal, it is metalloid .

vii) magnesium is a non metal.

viii) Phosphorus is a nonmetal .

ix) arsenic is a metalloid .

x) antimony is a metalloid .