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Anettt [7]
3 years ago
10

What is the identity of the atom shown?

Chemistry
2 answers:
posledela3 years ago
3 0

Answer:

A

Explanation:

Argon has 17 protons and 18 neutron

atomic number is the same as the protons number.

sesenic [268]3 years ago
3 0

Answer:

it a

Explanation:

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Calculate the mass of forsterite that contains a million oxygen atoms. Be sure your answer has a unit symbol if necessary, and r
Gekata [30.6K]

Answer:

2.33×10¯¹⁶ g of forsterite

Explanation:

From Avogadro's hypothesis, we understood that 1 mole of any substance contains 6.02×10²³ atoms. This equally means that 1 mole of forsterite (Mg2SiO4) contains 6.02×10²³ atoms.

1 mole of forsterite (Mg2SiO4) = (24×2) + 28 + (16×4)

= 48 + 28 + 64

= 140 g

Finally, we shall determine the mass of forsterite that contains a million oxygen atoms.

140 g of forsterite (Mg2SiO4) contains 6.02×10²³ atoms.

Therefore, Xg of forsterite (Mg2SiO4) will contain 1×10⁶ atoms of oxygen i.e

Xg of forsterite (Mg2SiO4) =

(140 × 1×10⁶) /6.02×10²³

= 2.33×10¯¹⁶ g

Therefore, 2.33×10¯¹⁶ g of forsterite contains a million oxygen atoms..

5 0
3 years ago
In carbon dioxide (CO2), there are two oxygen atoms for each carbon atom. Each oxygen atom forms a double bond with carbon, so t
SashulF [63]

Answer:

The Answer is eight.

Explanation:

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4 0
3 years ago
NASA continues to plan and conduct several missions to study
Tom [10]

Answer:

other planets and moons in the solar and beyond

Explanation:

NASA aims to find other planets and moons in our solar system, study them comparatively to earth and see if there's a possibility of been colonized by humans.

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3 years ago
John (travel) to Russia next week correct the tense​
kondor19780726 [428]

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hope it helps

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3 years ago
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ch4aika [34]

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IS YOUR ANSWER

Explanation:

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