Element Electrons Protrons Neutrons (11) 6 6 22 A 18 B 18 C 17 17 20 DE 11 e 10 17 17 18 (1) Which of them is =u0.m(r which of them is anion w.m(n)(m) is an atom of inest gas
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Class 10
>Chemistry
>Carbon and its compounds
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Carbon And Its Compounds
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- A good summary makes the whole chapter easy.
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Introduction to Carbon
Carbon has been popular since ancient times in various forms such as soot, charcoal, graphite, and diamond
Occurrence of Carbon
About 20% of the weight of living organisms is carbon
Carbon is the fourth most abundant element in the Universe
Carbon occurs in nature in the free state as well as in the combined state
Free state: Diamond, Graphite, Coal
Combined state:
Gaseous state: In the atmosphere, As a natural gas and petroleum gas
Liquid state:Natural water - Soluble carbonates and bicarbonates
Solid state:Wood (cellulose)
Mineral deposits of metallic carbonates
Answer:
C 17 17 20 DE 11 e 10 17 17 18 (1) Which of them is =u0.m(r which of them is anion w.m(n)(m) is an atom of inest gas