Question

what is chemical formula of
I. sodium sulphate
II. carbon nitrate
III. magnesium nitride
IV. aluminium carbonate
V. calcium phosphate
VI. calcium oxide
VII. Hydrogen hydroxide ​

Answer 1

Answer :-

(I) Sodium Nitrate

→ $\bf\;Na_{2}SO_{4}$

(II) Carbon Nitrate

→ $\bf\; CN_{4}O_{12}$

(III) Magnesium Nitride

→ $\bf\; Mg_{3}N_{2}$

(IV) Aluminium Carbonate

→ $\bf\; Al_{2} (CO_3)_{3}$

(V) Calcium Phosphate

→ $\bf\; Ca_{3}(PO_4)_{2}$

(VI) Calcium Oxide

→ $\bf\; CaO$

(VII) Hydrogen Hydroxide

→ $\bf\; OH$

Extra Information !!!

$\begin{array}{| c | c | c |}\cline{1-3} \bf Atomic\:No. & \bf Elements & \bf Valency \\ \cline{1-3} 1 &\sf Hydrogen & 1 \\ \cline{1-3} 2 &\sf Helium & 0 \\ \cline{1-3} 3 &\sf Lithium & 1 \\ \cline{1-3} 4 &\sf Berrylium & 2 \\ \cline{1-3} 5 &\sf Boron & 3 \\ \cline{1-3} 6 &\sf Carbon & 4 \\ \cline{1-3} 7 &\sf Nitrogen & 3 \\ \cline{1-3} 8 &\sf Oxygen & 2 \\ \cline{1-3} 9 &\sf Flourine & 1 \\ \cline{1-3} 10 &\sf Neon & 0 \\ \cline{1-3} 11 &\sf Sodium & 1 \\ \cline{1-3} 12 &\sf Magnesium & 2 \\ \cline{1-3} 13 &\sf Aluminium & 3 \\ \cline{1-3} 14 &\sf Silicon & 4 \\ \cline{1-3} 15 &\sf Phosphorus & 3 \\ \cline{1-3} 16 &\sf Sulphur & 2 \\ \cline{1-3} 17 &\sf Chlorine & 1 \\ \cline{1-3} 18 &\sf Argon & 0 \\ \cline{1-3} 19 &\sf Potassium & 1 \\ \cline{1-3} 20 &\sf Calcium & 2 \\ \cline{1-3} 21 &\sf Scandium & 3 \\ \cline{1-3} 22 &\sf Titanium & 4 \\ \cline{1-3} 23 &\sf Vanadium & 5,4 \\ \cline{1-3} 24 &\sf Chromium & 2 \\ \cline{1-3} 25 &\sf Manganese & 7,4,2 \\ \cline{1-3} 26 &\sf Iron & 2,3 \\ \cline{1-3} 27 &\sf Nickel & 3,2 \\ \cline{1-3} 28 &\sf Cobalt & 2 \\ \cline{1-3} 29 &\sf Copper & 2,1 \\ \cline{1-3} 30 &\sf Zinc & 2 \\ \cline{1-3}\end{array}$

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Answer 2

$\bigstar$ What is chemical formula of :-

1) Sodium Sulphate :

$\dashrightarrow \sf\boxed{\bold{\pink{Na_2SO_4}}}$

2) Carbon Nitrate :

$\dashrightarrow \sf\boxed{\bold{\blue{CN_4O_{12}}}}$

3) Magnesium Nitride :

$\dashrightarrow \sf\boxed{\bold{\red{Mg_3N_2}}}$

4) Aluminium Carbonate :

$\dashrightarrow \sf\boxed{\bold{\green{Al_2(CO_3)_3}}}$

5) Calcium Phosphate :

$\dashrightarrow \sf\boxed{\bold{\red{Ca_3(PO_4)_2}}}$

6) Calcium Oxide :

$\dashrightarrow \sf\boxed{\bold{\orange{CaO}}}$

7) Hydrogen Hydroxide :

$\dashrightarrow \sf\boxed{\bold{\purple{OH}}}$

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EXTRA INFORMATION :-

★ Atomic Mass Of 20 Elements :

① Hydrogen = 1.0079

② Helium = 4.0026

③ Lithium = 6.941

④ Beryllium = 9.0122

⑤ Boron = 10.811

⑥ Carbon = 12.0107

⑦ Nitrogen = 14.0067

⑧ Oxygen = 15.9994

⑨ Fluorine = 18.9984

⑩ Neon = 20.1797

⑪ Sodium = 22.9897

⑫ Magnesium = 24.305

⑬ Aluminum = 26.9815

⑭ Silicon = 28.0855

⑮ Phosphorus = 30.9738

⑯ Sulfur = 32.065

⑰ Chlorine = 35.453

⑱ Argon = 39.0983

⑲ Potassium = 39.948

⑳ Calcium = 40.078

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