Shape of pci & Phosphonte CC - P-CC
Anower B. Trigonal pyramidal
to Uranium -233 ( 23 da decays by d- emission that is the decay protus
7 Arrange the following ons in order of deceasing charge density .
Ca2+
Ba
Answer
8. Which of the following statements
the following statements explain why caesum has a lower melting

9- Transition metals can from complex ions because
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Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .