What is the oxidation number of S In Li2SO4?
A. +1
B. +2
C. +5
D. +6
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Ответ:
Explanation:
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Ответ:
a. LiH = Lithium hydride.
b.NaCl = sodium chloride.
c. NH3 = 1 nitrogen atoms 3 hydrogen atoms.
Explanation:
a. Lithium metal reacts directly with hydrogen gas to form the hydride lithium(I) hydride, LiH.
b. Chemically, table salt consists of two elements, sodium (Na) and chloride (Cl). Neither element occurs separately and free in nature, but are found bound together as the compound sodium chloride.
c. Ammonia is a compound of nitrogen and hydrogen with the formula NH3. A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a distinct pungent smell.