Question 18
State the number of atoms present in each of the following chemical Species

(a) $C O_{3}^{2 -}$

(b) $P O_{4}^{3 -}$

(c) $P_{2} O_{5}$

(d) $C O$

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Solution

(a) $C O_{3}^{2 -}$ : 4 (1 Carbon + 3 Oxygen ).
(b) $P O_{4}^{3 -}$ : 5 (1 Phosphorus + 4 Oxygen ).
(c) $P_{2} O_{5}$ : 7 (2 Phosphorus + 5 Oxygen ).
(d) $C O$ : 2 (1 Carbon + 1 Oxygen ).

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Question 18
State the number of atoms present in each of the following chemical Species

(a) $C O_{3}^{2 -}$

(b) $P O_{4}^{3 -}$

(c) $P_{2} O_{5}$

(d) $C O$

Q. State the number of atoms present in each of the following chemical species

(a)

C O_{3}^{2 -}

(b)

P O_{4}^{3 -}

(c)

P_{2} O_{5}

(d)

C O

Q. State the number of atoms present in the following chemical species CO.

d π - p π

bond present in:

Q. State the number of atoms present in the following chemical species

P_{2} O_{5}

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Molecules and Atomicity

Standard IX Chemistry

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Question 18 State the number of atoms present in each of the following chemical Species (a) CO2−3 (b) PO3−4 (c) P2O5 (d) CO

(a)CO2−3: 4 (1 Carbon + 3 Oxygen ). (b)PO3−4: 5 (1 Phosphorus + 4 Oxygen ). (c)P2O5: 7 (2 Phosphorus + 5 Oxygen ). (d)CO: 2 (1 Carbon + 1 Oxygen ).

Question 18
State the number of atoms present in each of the following chemical Species

(a) $C O_{3}^{2 -}$

(b) $P O_{4}^{3 -}$

(c) $P_{2} O_{5}$

(d) $C O$

(a) $C O_{3}^{2 -}$ : 4 (1 Carbon + 3 Oxygen ).
(b) $P O_{4}^{3 -}$ : 5 (1 Phosphorus + 4 Oxygen ).
(c) $P_{2} O_{5}$ : 7 (2 Phosphorus + 5 Oxygen ).
(d) $C O$ : 2 (1 Carbon + 1 Oxygen ).