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Romashka [77]
3 years ago
6

What causes interstellar dust and clouds of gas to condense into planets and stars?

Chemistry
1 answer:
aleksklad [387]3 years ago
3 0
The gravitational pull
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Will make brainliest
Dafna11 [192]

Answer:

Boron

Explanation:

An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.

All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other. For example if neutral atom has 6 protons than it must have 6 electrons. The sum of neutrons and protons is the mass number of an atom while the number of protons are number of electrons is the atomic number of an atom.

For example

In given atomic model we can see that there are five electrons out side the nucleus it means this atomic model is of that element which have atomic number 5 and it is boron.

It has 5 electron 5 proton and 6 neutrons.

It means its atomic number is five and mass number is 5+6 = 11

8 0
2 years ago
What are some common tools scientists use to measure length and mass?
Setler [38]
To measure length scientists may use rulers, meter sticks, etc. and to measure mass they may use a balance.
4 0
3 years ago
Which compound, in the liquid phase, conducts electricity best?
Reptile [31]

Answer:

The answer is salt

Explanation:

I got it right on the quiz

5 0
2 years ago
An increase in which property would cause an electromagnetic wave's energy
patriot [66]
C. Answer correct I think…
7 0
2 years ago
If the reaction is at dynamic equilibrium at 500 K, which statement applies to the given chemical system?
Alenkinab [10]

The correct option is this: THE CONCENTRATION OF THE PRODUCTS AND THE REACTANTS DO NOT CHANGE.

A reversible chemical reaction is said to be in equilibrium if the rate of forward reaction is equal to the rate of backward reaction. At this stage, the concentrations of the products and the reactants remain constant, that is, there is no net change in the concentration even though the reacting species are moving between the forward and the backward reaction.

8 0
3 years ago
Read 2 more answers
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