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lora16 [44]
3 years ago
10

An atom has no overall charg if it contains equal number of

Chemistry
2 answers:
Kisachek [45]3 years ago
5 0
Protons and electrons.

Colt1911 [192]3 years ago
4 0
Protons (positively charged) and electrons (negatively charged). They would cancel each others charges out thus causing the atom to have a neutral or no charge. 
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Which part of a calcium atom in the ground state is represented by the dots in its Lewis electron-dot diagram?​
g100num [7]

Answer:

There are two dots are present on the left side of calcium atom which represents the unpaired electrons present in the outermost shell. This structure is presented by Lewis in order to show the number of unpaired electrons in the atom.

Explanation:

8 0
2 years ago
Balance the following equation.<br> C3H8(g) + O2(g) → CO2(g) + H2O(l)
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3 years ago
Is mud a suspension, solution, or colloid?
skelet666 [1.2K]
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A chemistry student needs of isopropenylbenzene for an experiment. He has available of a w/w solution of isopropenylbenzene in a
Lera25 [3.4K]

Question:

A chemistry student needs of 10 g isopropenylbenzene for an experiment. He has available 120 g of a 42.7% w/w solution of isopropenylbenzene in acetone. Calculate the mass of solution the student should use. If there's not enough solution, press the "No solution" button.

Answer:

The answer to the question is as follows

The mass of solution the student should use is 23.42 g.

Explanation:

To solve the question we note the following

A solution containing 42.7 % w/w of isopropenylbenzene in acetone  has 42.7 g of isopropenylbenzene in 100 grams of the solution

Therefore we have 10 g of isopropenylbenzene contained in

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8 0
3 years ago
Plz help hurry! I will give brainlest
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