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jonny [76]
3 years ago
14

Describe the structure of atoms, including locations and charges of protons, neutrons, and electrons

Chemistry
1 answer:
pantera1 [17]3 years ago
3 0

In an atom, the protons, which have a positive charge, and the neutrons, which have a neutral charge, are located in the nucleus. The electrons, which have a negative charge, orbit the nucleus of the atom.

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How many valence electrons does oxygen have? 2 4 6 8 10
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3 years ago
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Antacids work to relieve stomach acids because of which of the following types of reactions?
Anastaziya [24]

<u>Answer:</u> The correct answer is Option B.

<u>Explanation:</u>

Decomposition is a type of chemical reaction in which larger compound breaks down into two or more smaller compounds.

AB\rightarrow A+B

Double displacement reactions is defined as the chemical reaction in which exchange of ions takes place.

AB+CD\rightarrow AD+CB

Synthesis reaction is a type of reaction in which two or more smaller compounds combines to form a single large compound.

A+B\rightarrow AB

Single displacement reaction is a type of reaction in which a more reactive metal displaces a less reactive metal from its chemical reaction.

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In stomach, an acid is present known as hydrochloric acid and to neutralize its effect, antacid is taken which has CaCO_ as a component.

The reaction between HCl and CaCO_3 is a type of neutralization reaction and it is a type of double displacement reaction.

The equation between the two follows:

CaCO_3+HCl\rightarrow CaCl_2+H_2O+CO_2

Hence, the correct answer is Option B.

4 0
2 years ago
What is the kinetic energy of the ball precisely 4 seconds after it starts falling?
allochka39001 [22]

it depends how heavy and how far it travels


3 0
3 years ago
A piece of metal with a mass of 150 g is placed in a 50 mL graduated cylinder. The water level rises from 20 mL to 45mL. What is
Flauer [41]

Answer:

25 mL

Explanation:

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That is the volume of the metal

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The volume of the metal was 25 mL

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7 0
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What is the expected product when l-propanol is oxidized?
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6 0
3 years ago
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