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Marrrta [24]
3 years ago
13

Whta gasses are in Neptune?

Chemistry
1 answer:
Natasha_Volkova [10]3 years ago
6 0
Neptune's atmosphere is composed up of many gases. These gases include Hydrogen (80%), Helium (19%), and Methane<span> (1.5%). Some of the minor gases include trace amounts of </span>Hydrogen Deuteride<span> and </span>Ethane<span>.</span>
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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
3 years ago
I have science and i have a question that says : an element is a (valuable, pure , rare) substance that is not chemically combin
mote1985 [20]

Answer:

It’s true ( pure).

Explanation:

An element is defined as a pure substance that is not chemically combined with any other elements. An element comprises of mainly the sane type of atoms.

While a compound is a substance that consists of two or more elements which are chemically combined together. This is the main difference between an element and a compound.

3 0
3 years ago
How many particles are in on mole?
shusha [124]

The answer is 1023 particles

6 0
3 years ago
On a hiking trip, you see a large tree root has grown into the cracks of a rock and caused it to break apart. This is an example
Vadim26 [7]
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3 0
3 years ago
Salt dissolved in water is a solution, therefore _____.
saveliy_v [14]

Answer: Correct options are as follows.

  • salt is not chemically bonded to water.
  • salt and water retain their own chemical properties.

Explanation:

When salt is dissolved in water then it means that it is a physical change as salt has completely dissociated into ions but they are not chemically combined to the water molecules.

As a result, both salt and water will retain their chemical properties.

For example, NaCl when dissolved in water will dissociate as follows.

           NaCl \rightarrow Na^{+} + Cl^{-}

Only the particles of salt have evenly distributed in water.

And, when a components of a salt chemically combine with another substance then it will form a new compound.

Therefore, we can conclude that salt dissolved in water is a solution, therefore:

  • salt is not chemically bonded to water.
  • salt and water retain their own chemical properties.
4 0
3 years ago
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