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Keith_Richards [23]
3 years ago
6

Im not sure if it is a molecule or an atom ​

Chemistry
2 answers:
grigory [225]3 years ago
8 0

Answer:

the first one

Explanation:

I looked it up:P

Doss [256]3 years ago
5 0

Only the 2nd answer is right, uncheck the 1st one

Explanation:

If we had a chemical formula like 3(O_{2} ) the 3 means there are 3 molecules of O_{2}. The 2 means there are two atoms of oxygen in <em>each</em> molecule.

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Do protons determine isotopes
Bezzdna [24]

Answer:

No

Explanation:

Protons determine the type of element it is which the number of protons.

Isotopes are determined by the same elements with the same amount of protons, but different number of neutrons.

5 0
3 years ago
Do you think the tectonic plates are still moving today?why?
jek_recluse [69]
Yes, The tectonic plates are always moving and interacting today. The continents are still moving today. Because sometimes of the most dynamic sites of tectonic activity are seafloor spreading zones and giant rift valleys.
3 0
2 years ago
What is the molarity of a solution that contains 2 moles of solute in 4 liters of solution?
Nitella [24]
The simple formula is C = n/V
n = mols
C = Concentration or Molarity
V = Volume in Liters.

n = 2
V = 4
C = 2 / 4
C = 0.5 mol/Litre

8 0
3 years ago
What is the name of SnF2
Inessa [10]

Answer:

Tin (II) Fluoride......

7 0
3 years ago
Which of the following statements about Avogadro’s Law is false? a. One mole of He occupies 22.4 L at STP. b. At constant P and
Ronch [10]

Answer:

The correct answer to the question which  statements about Avogadro’s Law is false is

c. At constant T and P, doubling the moles of gas decreases the volume by half.

Explanation:

Avogadro's law describes the relationship between the volume of a mass of gas and the number of moles present. Avogadro's law states that at standard (or the same) temperature and pressure, equal volumes od all gases contain equal number of molecules

That is mathematically

\frac{V_{1} }{n_{1} }  =  \frac{V_{2} }{n_{2} }  where

V₁ = volume  of first sample

V₂ = volume  of second sample

n₁ = number of moles in first sample

n₂ = number of moles in second sample

6 0
3 years ago
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