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Answer:
Answer for the second picture (physical science)
Explanation:
1st...The atomicity of nitrogen is 2 as N
2.molecule contains 2 atoms. The atomicity of phosphorus is 4 as P
4.molecule contains 4 atoms. Hence, the sum of the atomicity of nitrogen and phosphorus molecule is 2+4=6.
2..Answer-x=3 and y=1
3..3rd answer is in the above picture
4.. Copper-Cu
chlorine-Cl
Tungsten-W
Potassium-K
5... Formula for
Sodium oxide-
Na. o
+1. -2
Na2O
Magnesium nitrate-
Mg. NO3
+2. -1
Mg(NO3)2
Aluminum carbonate-
Al. Cl
+3. -1
AlCl3
Hope it helps you