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Galina-37 [17]
3 years ago
6

How does the periodic table used today classify elements?

Chemistry
2 answers:
Svetlanka [38]3 years ago
7 0
The periodic table of today organizes the elements as per their atomic numbers..and not atomic masses.
S_A_V [24]3 years ago
3 0

Answer:

The Periodic Table organizes chemical elements according to the number of protons that each has in its atomic nucleus

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A container initially holds 5.67 x 10^-2 mol of propane and has a volume of V1. The volume of the container was increased by add
Brut [27]

Answer:

Initial volume of the container (V1) = 1.27 L (Approx)

Explanation:

Given:

Number of mol (n1) = 5.67 x 10⁻²

Number of mol (n2) = (5.67 +2.95) x 10⁻² = 8.62 x 10⁻²

New volume (V2) = 1.93 L

Find:

Initial volume of the container (V1)

Computation:

Using Avogadro's law

V1 / n1 = V2 / n2

V1 / 5.67 x 10⁻² = 1.93 / 8.62 x 10⁻²

V1 = 10.9431 / 8.62

Initial volume of the container (V1) = 1.2695

Initial volume of the container (V1) = 1.27 L (Approx)

5 0
3 years ago
Help please!
Katyanochek1 [597]

The observation, in this case, is quantitative.

<h3>Quantitative observation</h3>

Quantitative observations are observations that can be recorded based on quantitative data. In other words, they are observations that can be assigned numerical values.

Quantitative observations are as opposed to qualitative observations because the former cannot be assigned numerical values. They can be ranked or qualified.

In this case, Danielle and Heather could assign numbers to the length, width, and height of the tank in order to calculate its volume.

More on quantitative observations can be found here: brainly.com/question/17491501

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2 years ago
Explain why a climax community is not always a forest.
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They are all in forest climax means forest
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Does anyone know the answer to these? Please help.
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Why does a human body need proteins?
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I’m pretty sure the answer would be B.
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