Question

Identify the elements with the following property and arrange them in increasing order of their reactivity
(a) An element which is a soft and reactive metal
(b) The metal which is an important constituent of limestone
(c) The metal which exists in liquid state at room temperature

NCERT Class X
Science - Exemplar Problems

Chapter_Periodic Classification of Elements

Answer 1

sodium
calcium
mercury

Answer 2

Answer:

Given below

Explanation: Hey mate ,here you go....

A) Sodium

B) Calcium

C) Mercury

Hope this helps you and plz mark me as brainliest.

▪︎■♡■▪︎♡■▪︎♡■▪︎