If there are the same number of argon atoms in one sample and the same number of carbon atoms in another, then the value of the ratio, mass of the carbon sample/the mass of argon sample would be? a. 1.0 b. 3.3 c. 0.30 d. 12 e. 40

c. 0.30

Explanation:

One C atom has a mass of 12.0 u and one Ar atom has a mass of 40.0 u.

Let’s assume that there are n atoms of C and n atoms of Ar. Then

Mass of n C atoms = n × 12.0

Mass of n C atoms = 12.0n u

Mass of n Ar atoms = n × 40.0

Mass of n Ar atoms = 40.0n u

ratio = mass of C/mass of Ar

ratio = 12.0n/40.0n

ratio = 0.300

it's c. elements are placed in rows based on how may valencies electrons have.

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