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Gemiola [76]
3 years ago
7

I really need help with this Im lost

Chemistry
1 answer:
Illusion [34]3 years ago
5 0
I believe it would weigh less if it’s blown up with helium because helium is lighter than air
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Please help 50 points A balanced chemical equation has _________ number of atoms for each element on both sides of the equation.
labwork [276]

Answer: must have THE SAME number of atoms for each element

Explanation:  Chemical equations must be balanced -- they must have the same number of atoms of each element on both sides of the equation. As a result, the mass of the reactants must be equal to the mass of the products of the reaction.

5 0
3 years ago
Which conclusion was drawn from the results of
torisob [31]

Answer;

-(2) An atom is mostly empty space.

Experiment

-Rutherford conducted the "gold foil" experiment where he shot alpha particles at a thin sheet of gold. The conclusion that can be drawn from these experiment is that an atom is mostly empty space.

-Rutherford found that a small percentage of the particles were deflected, while a majority passed through the sheet. This caused Rutherford to conclude that the mass of an atom was concentrated at its center, as the tiny, dense nucleus was causing the deflections.

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3 years ago
Rpd pls ii test :)<br><br> tot ce se afla in poza
mamaluj [8]

Answer:

Sorry mate! I can't understand this language...

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3 years ago
Which electron configuration is impossible?
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