Question

write the chemical symboles of two elements 1) which are formed from the first letter of the element name ? 2) whose mames have been taken from the names of the element Latin? 3) which are formed fromed the first two letters of the element name ?​

Answer 1

Answer:

, N, O, etc.

(ii) Na, Fe, K, etc.

(b) Avogadro’s constant:

6.22 x 10^23 is defined as the Avogadro’s constant. It is the number of atoms in exactly 12 g of carbon-12.

Molar mass: Mass of 1 mole of a substance

Answer 2

Answer:

1) H and N 2) Au and Fe 3) He and Li .

Explanation:

1) Hydrogen(H) and Nitrogen (N).

2) Gold Latin name is Aurum (Au) and Iron Latin name is Ferrum (Fe).

3) Helium(He) and Lithium (Li).

Hope this is helpful.

If liked mark me as brainliest.