Fill in the blanks choosing the correct word from those given below-one- two- carbon- oxygen- compound-s- element-s- gas- symbol- formula- atom-s- molecule-s-CO2 is the - of a gas called carbon dioxide- It represents one - of the - This compound is made up of -and - Each molecule contains one - of carbon and -of - The - C represents one - of while the - O represents one - of -

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Byju's Answer

Standard VII

Chemistry

Molecular Formula

Fill in the b...

Question

Fill in the blanks choosing the correct word from those given below.
one, two, carbon, oxygen, compound(s), element(s), gas, symbol, formula, atom(s), molecule(s)
CO₂ is the _________ of a gas called carbon dioxide, It represents one _ of the ___. This compound is made up of and _. Each molecule contains one of carbon and ___of _. The _ C represents one of while the _ O represents one of ____.

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Solution

CO₂ is the formula of a gas called carbon dioxide. It represents one molecule of the compound. This compound is made up of carbon and oxygen. Each molecule contains one atom of carbon and two of oxygen. The symbol C represents one atom of carbon while the symbol O represents one atom of oxygen.

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Similar questions

Q. Fill in the following blanks :
(a) 1 mole contains ...................... atoms, molecules or ions of a substance.
(b) A mole represents an ..................... number of particles of a substance.
(c) 60 g of carbon element are ................... moles of carbon atoms.
(d) 0.5 mole of calcium element has a mass of ......................
(e) 64 g of oxygen gas contains ....................... moles of oxygen atoms.

Given one example each of the following
(i) A molecule containing a single covalent bond
(ii) A molecule containing a double covalent bond
(iii) A molecule containing a triple covalent bond
(iv) A compound containing an ionic bond

Name:

(a) A carbonate which does not decompose on heating.

(b) A nitrate which produces oxygen as the only gas.

(d) A nitrate which produces brown gas on heating.

Q. Suppose a container is evacuated to leave just one molecule of a gas in it. Let v_a and v_rms represent the average speed and the rms speed of the gas.
(a) v_a > v_rms
(b) v_a < v_rms
(c) v_a = v_rms
(d) v_rms is undefined.

Q. Let

A

be a square matrix such that

A^{2} = A

and

| A | \neq 0

, then choose the correct option.

(A' represents transpose of matrix A)

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CO2 is the formula of a gas called carbon dioxide. It represents one molecule of the compound. This compound is made up of carbon and oxygen. Each molecule contains one atom of carbon and two of oxygen. The symbol C represents one atom of carbon while the symbol O represents one atom of oxygen.

CO₂ is the formula of a gas called carbon dioxide. It represents one molecule of the compound. This compound is made up of carbon and oxygen. Each molecule contains one atom of carbon and two of oxygen. The symbol C represents one atom of carbon while the symbol O represents one atom of oxygen.