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Choose the element which is negligible in living matter

a)

Si

b)

Mg

c)

d)

S


Question ID - 1081 | Toppr Answer

Choose the element which is negligible in living matter

a)

Si

b)

Mg

c)

d)

S

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

Silicon is almost negligible in living organism. A comparison of elements present in non-living and living matter is as follows

Element

% Weight of Earth’s crust Human Body

Hydrogen (H)

Carbon (C)

Oxygen (O)

Nitrogen (N)

Sulphur (S)

Sodium (Na)

Calcium ( )

Magnesium (Mg)

Silicon (Si)

0.14

0.03

46.6

Very little

0.03

2.8

3.6

2.1

27.7

0.5

18.5

65.0

3.3

0.3

0.2

1.5

0.1

negligible

*Adapted from CNR Rao, Understanding Chemistry Universities Press Hyderabad



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