SS2 Second Term Chemistry Lesson Note – Nitrogen

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WEEK 6

TOPIC: NITROGEN

CONTENTS:

1. General properties of nitrogen–group va elements, laboratory and industrial preparation of nitrogen,
2. Properties and uses of nitrogen
3. Compound of nitrogen – ammonia- laboratory and industrial preparation
4. Properties and uses, test for ammonia, fountain experiment

PERIOD  1: GENERAL PROPERTIES OF NITROGEN – GROUP V ELEMENTS

Nitrogen and other group VA elements are non-metals and show two common valences of 3 and 5. They are electron acceptors and both form several acidic oxides. They also form similar hydrides and chloride e.g., Nitrogen and phosphorus form N₂O₃ and P₄O₆, N₂O₅ and P₄O₁₀, NH₃, PH₃, NCl₃ and PCl₃

Properties of VA elements

W = white, gr = grey, p = 28 atmospheres, r = red, s = sublimes

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