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garik1379 [7]
4 years ago
10

Which best describes the modern periodic table?

Chemistry
1 answer:
kaheart [24]4 years ago
5 0

answer:

D.

explanation:

as days years months go by more and more new elements that are chemically made or are natural are added even though the ones at school have been updated for such a long period of time

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horrorfan [7]
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3 years ago
When 3.00 moles of hydrogen molecules and 1.50 moles of oxygen molecules react, they form 3.00 moles of water according to the r
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Answer:

54.0 g.

Explanation:

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<em></em>

When 3.00 moles of hydrogen molecules and 1.50 moles of oxygen molecules react, they form 3.00 moles of water according to the balanced reaction.

<em>∴ The no. of grams in 3.0 moles of water = no. of moles x molar mass </em>= (3.0 mol)(18.0 g/mol) = <em>54.0 g.</em>

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3 years ago
Consider the following four pairs of molecules. You may use 1H-NMR, 13C-NMR, or IRspectroscopyto differentiate the structures, b
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Explanation:

See the attached file for explanation

4 0
3 years ago
Find the mass of 3.00 mol of acetic acid, C2H4O2
Alinara [238K]
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4 0
3 years ago
How does the corona of the Sun affect earth
SIZIF [17.4K]

Answer:

I don't think it does affect Earth

Explanation:

The sun is too far away to get corona let alone spread it.

6 0
3 years ago
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