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k0ka [10]
3 years ago
15

I need help PLEASEEEEEEEEEEEEEEE 20 points baes

Chemistry
1 answer:
Kryger [21]3 years ago
7 0

not sure but h = hydrogen and o = oxygen

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Determine the mass of a billion gold (u) atoms
Dennis_Churaev [7]
Therefore, 1 mole<span> of gold weighs </span>196.9665<span> grams. So, in 2.8 grams of gold we would have:</span>
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5 0
3 years ago
Will give brainliest to correct answer
sladkih [1.3K]

Answer:

2.5 grams

Explanation:

you can see it on the graph

4 0
3 years ago
Which of these describes the function of the urinary System A:aids in reproduction B:breaks down solid food C:stores important n
alexgriva [62]

Answer:

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8 0
3 years ago
1. Give the similarity (or similarities) between Cl and CI^(-1).
Helen [10]

Answer:

1) atomic number is the same. Both, chlorine atom and anion, have atomic number 17. They have 17 protons in nucleus of an atom.

2) both are the same element.

Explanation:

8 0
2 years ago
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