Science, asked by gjairus16, 17 hours ago

16. Which of the following is compound? a. Iron b. Nickel c. Salt d. Hydrogen 17. Metals are good conductor of heat and electricity. Which element does NOT exhibit this property? a. Aluminum b. Chromium c. Sulfur d. Tungsten 18. Which of the following is NOT a compound? a. Water b. Sugar c. Carbon dioxide d. Cobalt 19. Periodic table is arranged according to: a. Alphabetical arrangement​

Answers

Answered by sharanya300013
0

Answer:

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Explanation:

16. Salt- NaCl (Sodium, Chlorine).

17. Tungsten- It is a poor conductor

18. Cobalt- It is an element (Co)

19. Valency of elements

Answered by bhuyanshazida
0

16)Salt is a compound

17)Tungsten

18) Cobalt is not a compound

19)Atomic Number

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