Question

write the symbols of the following element

give 2 answer.​

Answer 1

Explanation:

Allied solutions

Grade 7

Chemistry

Chapters in Simplified Middle School Chemistry - Class 7

Exercises in Elements, Compounds and Mixtures

Question 9

Q9) Write the symbols of the following elements and radicals along with their valencies.

(a) Sodium

(b) Magnesium

(c) Chlorine [[Chloride]]

(d) Nitrate

(e) Sulphite

(f) Aluminium

(g) Zinc

(h) Sulphur [[Sulphide]]

(i) Bromine [[Bromide]]

(j) Sulphate

(k) Hydroxide

(l) Calcium

(m) Carbonate

(n) Potassium

(o) Phosphate

(p) Iodine [[Iodide]]

Solution:

Name Symbols Radicals

(a) Sodium Na [[> widget id="2" <]]

(b) Magnesium Mg [[> widget id="3" <]]

(c) Chlorine Cl [[> widget id="4" <]]

(d) Nitrate [[> widget id="5" <]] [[> widget id="6"

Answer 2

Answer:

H2O - Water

CO2 - Carbon dioxide

O2 - Oxygen

Explanation:

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