What do the following symbol stand for? H

What Do the Following Symbol Stand For?

What do the following symbol stand for?

एका वाक्यात उत्तर

H stands for one atom of hydrogen.

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पाठ 1: The Language of Chemistry - Exercise 1 (A) [पृष्ठ ९]

पाठ 1 The Language of Chemistry
Exercise 1 (A) | Q 5.1 | पृष्ठ ९

The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?

Explain the terms ‘chemical formula’.

Give the symbol of the following element:

Sulphur [sulphide]

State the type of element for the following:

Iodine

State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.

Name the following:

An acid whose formula is ‘H₂CO₃’.

Give a reason – Magnesium [2, 8, 2] has valency 2+.

Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium

The chemical symbol for sodium is

Write a note on Greem symbols.