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Mariulka [41]
3 years ago
14

Which TWO scientist proposed an atomic model with a nucleus.

Chemistry
1 answer:
Zina [86]3 years ago
7 0

Answer:

A. Rutherford and Bohr

Explanation:

I think this is right but I am not sure it has been a while since i read about them

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a substance has neither of fixed shape nor a fixed volume state whether it is a solid or liquid or gas​
tensa zangetsu [6.8K]
A gas because if you freeze water, it turns into a shape as where gas can’t be frozen
4 0
3 years ago
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When a liquid sample is taken from sea level to a higher elevation, what happens to the external (atmospheric) pressure on the l
BigorU [14]

Answer:

The external atmospheric pressure decreases and so does the boiling point of the liquid.

Explanation:

We know that pressure decreases with height. Thus atmospheric pressure decreases at higher elevation.

The implication of this is that, if I take a liquid from sea level to a higher elevation, the external atmospheric pressure on the liquid will decrease and so does its boiling point.

Hence, the liquid boils at a lower temperature when placed at a higher elevation. For this reason, the boiling point of a liquid is lower on the mountain.

5 0
3 years ago
A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it?
nataly862011 [7]

Answer:

Na

Explanation:

8 0
3 years ago
How many grams in 3 moles of H2O?
Dominik [7]

Answer:

There are 54.03 grams in 3 moles of H2O

There are 3.2 moles in 519.3 g FeCl3

There are 56.0 g in 2 moles of CO

Explanation:

H2O molar mass: 18.01 g/mol

   to calculate the grams:  3 mol H2O * 18.01 g/mol

FeCl3 molar mass: 162.2 g/mol

   to calculate moles:  519.3g FeCl3 / 162.2 g/mol

CO molar mass: 28.01 g/mol

   to calculate grams: 28.01 g/mol CO * 2 mol CO

7 0
3 years ago
How many Hg atoms are in 1.2mol Hg?<br> Plz tell me how you got it
diamong [38]

Answer:

12

Explanation:

12

5 0
3 years ago
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