The density of hydrogen is approximately 9 × 10-5 , while the density of helium is approximately 2 × 10-4 .

1 answer:

NeX [460]2 years ago

5 0

Answer:

Two times the density of hydrogen = 18 x 10^-5

Step-by-step explanation: Two times the density of hydrogen = 18 x 10^-5 is ALMOST 20 x 10^-5 or 2 x 10^-4

SO the first statement is correct.

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