3 years ago

Compounds are substances in which two or more atoms are chemically combined to form a new,

1 answer:

german3 years ago

8 0

$H_2$ (hydrogen) is not a compound because it's not made of more than one element. Yes we have more than one component, but both components are of the same element H.

Something like $CO_2$ is a compound because it's made of carbon and oxygen (specifically 1 carbon and 2 oxygen), so we have at least two different elements here.

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Semenov [28]

Answer:

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Explanation:

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$A_1 = \pi r_1^2 = \pi (d_1/2)^2 = \frac{\pi d_1^2}{4}$

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Hello There!

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3 years ago

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Ksju [112]

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