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3 years ago

The elements that lack the most properties of metals are called

Chemistry

1 answer:

Allisa [31]3 years ago

3 0

On the periodic table they are simply called non-metals.

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Will Mark Brainliest Aswer for box 1 and box 2 On top of the oval says A-U-G-G-C-A

DerKrebs [107]

A-U-G - G-C-A
Met - Ala

If AUG is going to be in the beginning of the chain, A-U-G, also will mean a start codon. For eukaryotes, codon for Met means start of the amino acid chain.

5 0

3 years ago

B. Radiation

Vika [28.1K]

First one, occurs fast !

4 0

3 years ago

Read 2 more answers

Why aren't descriptive investigations repeatable?

Sergeu [11.5K]

I would say that descriptive investigations aren't repeatable because it means that you are only describing something - you ask certain question about something, but do not form a hypothesis at that point yet. So it would be a waste of time to simply ask the same questions over and over again with no hypothesis to prove, which is why these types of investigations cannot be repeated.

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2 years ago

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Iron has many isotopes but only 4 are found in significant amounts in naturally found mixtures. The amounts by mass percent are:

AnnZ [28]

Answer:

The average mass of iron to be is 54.76 amu.

Explanation:

Formula used to calculate average atomic mass follows:

$\text{Average atomic mass }=\sum_{i=1}^n\text{(Atomic mass of an isotopes)}_i\times \text{(Fractional abundance})_i$

Mass of Fe-54 isotope = 53.9396 amu

Percentage abundance of Fe-54 = 5.845%

Fractional abundance of Fe-54 = 0.05845

Mass of Fe-56 isotope = 55.9349 amu

Percentage abundance of Fe-56 = 91.754 %

Fractional abundance of Fe-56= 0.91754

Mass of Fe-57 isotope = 56.9354 amu

Percentage abundance of Fe-57 = 2.119%

Fractional abundance of Fe-57 = 0.002119

Mass of Fe-58 isotope = 57.9333 amu

Percentage abundance of Fe-58 = 0.282%

Fractional abundance of Fe-58 = 0.00282

Average atomic mass of iron :

$=53.9396 amu\times 0.05845+55.9349 amu\times 0.91754 +56.9354 amu\times 0.002119 + 57.9333 amu\times 0.00282=54.76 amu$

The average mass of iron to be is 54.76 amu.

5 0

2 years ago

Which element cannot be further broken down into other chemicals

Orlov [11]

An Atom can not be further brocken down

3 0

3 years ago