Question

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${\large{\bf{\pink{†{\red{\underline{\orange{\mathfrak{Question:}}}}}}}}}†Question:​$ †Question:​
Following are the chemical formulae of some compounds. List the elements present and the number of atoms in each compound.
i. CaCO₃ ii. KNO₃
iii. H₂SO₄ iv. NaOH

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Answer 1

$\huge\underline\bold\orange{Answer:-}$

$\large\underline\bold\red{Given:-}$

• CaCO₃

• KNO₃

• H₂SO₄

• NaOH

$\large\underline\bold\red{What\:To\:Do:-}$

• List the elements present and the number of atoms in each compound .

$\large\underline\bold\red{Lets\:Start:-}$

$\rule{200px}{.3ex}$

(i) CaCO₃ :- The name of CaCO₃ is Calcium Carbonate .

$\large\underline\bold\red{Elements\:Present:-}$

• Calcium (Ca)

• Carbon (C)

• Oxygen (O)

$\large\underline\bold\red{Numbers\:of\:Atoms:-}$

• Calcium (Ca) = 1.

• Carbon (C) = 1.

• Oxygen (O) = 3.

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(ii) KNO₃ :- The Name of KNO₃ is Potassium Nitrate .

$\large\underline\bold\red{Elements\:Present:-}$

• Potassium ( K )

• Nitrogen ( N )

• Oxygen ( O )

$\large\underline\bold\red{Numbers\:of\:Atoms:-}$

• Potassium ( K ) = 1.

• Nitrogen ( N ) = 1.

• Oxygen ( O ) = 3.

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(iii) H₂SO₄ :- The name of H₂SO₄ is Sulphuric Acid .

$\large\underline\bold\red{Elements\:Present:-}$

• Hydrogen (H)

• Sulphur (S)

• Oxygen (O)

$\large\underline\bold\red{Numbers\:of\:Atoms:-}$

• Hydrogen (H) = 2.

• Sulphur (S) = 1.

• Oxygen (O) = 4.

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(iv) NaOH :-The name of NaOH is Sodium Hydroxide .

$\large\underline\bold\red{Elements\:Present:-}$

• Sodium (Na)

• Oxygen(O)

• Hydrogen(H)

$\large\underline\bold\red{Numbers\:of\:Atoms:-}$

• Sodium (Na) = 1

• Oxygen(O) = 1

• Hydrogen(H) = 1.

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Answer 2

Explanation:

sister this question has been solved by me in my answers tab.

you can click on the chemistry answer tab and check my 1st or 2nd answer. You will surely find this answer there:)