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ozzi
3 years ago
15

PLEASE HELP ASAP!!!! 15PTS

Chemistry
1 answer:
MA_775_DIABLO [31]3 years ago
5 0

Answer:

Both contain a hydroxyl group on the second carbon.

Neither contain a hydroxyl group on an end chain carbon.

Explanation:

2,2-butanediol Formula: C4H10O2

2,3,4-pentanetriol Formula: C5H12O3

Both contain a hydroxyl group on the second carbon.

Neither contain a hydroxyl group on an end chain carbon.

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I've asked before and gotten spammed hopefully I won't get spammed this time please help me with this someone.​ pls help anyonw
elena55 [62]

Answer:

See below!

Explanation:

A.  The picture of the graph is attached.  You can tell the amount of protons in an element by looking at the periodic table.  The elements are ordered by the number of protons in an element.

B.  Carbon and silicon are at the peaks of the chart.  The peak is the highest point in a graph.

C.  The elements belong to the non-metal group.

D.  The halogens are non-metals, and their vapors are colorless.

The halogens are toxic to humans.

Halogen molecules are made of two atoms; they are diatomic.

Halogens react with non-metals to form crystalline compounds that are salts.

The halogens get less reactive going down the group on the periodic table.

Halogens can bleach vegetable dyes and kill bacteria.

E.  The picture of the table is attached.  To figure which numbers to put where, you need to pay attention to the other numbers.  The halogens follow a trend with each of these properties.  You have to put in the numbers that fit in among the other numbers.

3 0
3 years ago
What were the first galaxies made of
DanielleElmas [232]
The are made from star stuffs...
Galaxies are composed of stars, dust, and dark matter, all held together by gravity. Below we discuss galaxy formation, galactic collisions and other facts about these so-called “island universes.” The Milky Way Galaxy is organized into spiral arms of giant stars that illuminate interstellar gas and dust.
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5 0
3 years ago
Why does the atmosphere have holes in it? A. Pollution B. Fuel from Cars/Machines
a_sh-v [17]

Answer:

the answer is d .

Explanation:

all of these have pollutants and chemicals in them , damaging the ozone with carbon dioxide .

7 0
3 years ago
I'll give brainliest
ss7ja [257]

Answer:

b,d,f

Explanation:your welcome give brainilest

8 0
3 years ago
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it is the home button on the top left corner

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