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nasty-shy [4]
3 years ago
13

What model is the basis for chemistry? Group of answer choices

Chemistry
1 answer:
serg [7]3 years ago
6 0

Answer:

bohrs atomic model

Explanation:

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How is a mixture such as a plate of pasta different from a mixture such as air
stealth61 [152]

Answer:

Well there is a lot of differences between the two. Its called homogeneous and Heterogeneous mixtures. Homogeneous mixtures are all the substances are evenly distributed throughout the mixture (salt water, air, blood).  Heterogeneous mixtures are the substances that are not evenly distributed (chocolate chip cookies, pizza, rocks). So Pasta with sauce and meatballs is heterogeneous and air is homogeneous




HOPE THIS HELPS HAVE A GREAT DAY!!~

Explanation:

6 0
2 years ago
What is the total number of hydrogen atoms contained in one molecule of (NH4)2C204?
Ber [7]

Answer:

=8 atoms

Explanation:

In (NH4)2C2O4 there are four moles of Hydrogen in the compound (NH4), but there two molecules of (NH4) in this compound.  That's what the 2 in (NH4)2 means, so multiply 4 x 2 = 8.

Hope this helps (:

8 0
3 years ago
Read 2 more answers
Which will dissolve at the fastest rate?
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I need help on this one too I think it might be (b)
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3 years ago
A(n) ____________________ is a group of two or more atoms that are held together by chemical bonds. *
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Answer:

A molecule is a group of two or more atoms that are held together by chemical bonds.

Explanation:

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