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ki77a [65]
3 years ago
7

if you see a dark mass similar to a blown-up balloon at the top of a volcano, what type of feature are you most likely viewing

Chemistry
1 answer:
Mnenie [13.5K]3 years ago
6 0
Conventional volcanoes are known to erupt after pressure builds up from new magma flowing into the magma chambers that lie below the vents on the Earth's surface.
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What is bohr's model?​
egoroff_w [7]

Answer:

In atomic physics, the Bohr model or Rutherford–Bohr model, presented by Niels Bohr and Ernest Rutherford in 1913, is a system consisting of a small, dense nucleus surrounded by orbiting electrons—similar to the structure of the Solar System, but with attraction provided by electrostatic forces in place of gravity.

4 0
2 years ago
Is it possible for a balloon with an initial internal pressure equal to 250.0 kPa
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3 years ago
which of the following is a product formed whrb NO2 and H2O react together A O2 B HNO3 C H2 D P(OH)2
marshall27 [118]
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8 0
3 years ago
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Why is true about electron dot diagrams
vazorg [7]

Answer: The correct answer is the option: B. An element with eight valence electrons is chemically unstable.

Explanation:

Hello! Let's solve this!

We will analyze each of the options:

A. The group number of the element provides a clue to the number of valence electrons: it is correct, since it provides the number of valence electrons.

B. An element with eight valence electrons is chemically unstable: this is not correct, since elements with eight electrons in the valence shell cannot react because they already have the last complete shell. Therefore, they are chemically stable.

C. The points must be placed one at a time on each side of the chemical symbol: it is correct, because that is the way to make the point diagram.

D. An atom is chemically stable if all the points are paired: this is correct since this verifies that the point diagram has been done well.

We conclude that the correct answer is the option: B. An element with eight valence electrons is chemically unstable.

Hope this helps.....  Stay safe and have a Merry Christmas!!!!!!!!! :D

7 0
3 years ago
Which option is an example of physical change?
Murljashka [212]

Answer:

They are all physical exept c

Explanation:

8 0
3 years ago
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