Answer:
Sodium is more reactive than sulfur.
Valency of Sodium is 1.
Valency of Sulfur is 2.
(Valency is the number of electrons in the outermost orbit of an atom which can be taken, given out or shared by an atom.)
The pebbles become smooth and even because of erosion. the waves from the sea rub against the pebbles this is erosion. x
The Answer to the question is:
:1%
Answer:
The answer would be meniscus.