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nlexa [21]
3 years ago
9

What is the number of protons of oxygen

Chemistry
2 answers:
Deffense [45]3 years ago
8 0

Answer: I believe it's 8

Explanation: The oxygen atom has therefore 8 neutrons, 8 protons and 8 electrons.

Greeley [361]3 years ago
4 0

Answer:

8 protons

The number of protons tell us what type of element an atom is.

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If u answer this correctly I’ll mark you brainliest
olga2289 [7]

Answer:

6 is the right answer I know cause I like science

4 0
3 years ago
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A solution of hydrocloric acid has a molarity of 2.25 M HCl. If a reaction requires 5.80 g of HCI, what
Natali [406]

Answer:

0.071L

Explanation:

From the question given, we obtained the following data:

Molarity of HCl = 2.25 M

Mass of HCl = 5.80g

Molar Mass of HCl = 36.45g/mol

Number of mole of HCl =?

Number of mole = Mass /Molar Mass

Number of mole of HCl = 5.8/36.45 = 0.159mole

Now, we can obtain the volume required as follows:

Molarity = mole /Volume

Volume = mole /Molarity

Volume = 0.159mole/ 2.25

Volume = 0.071L

4 0
3 years ago
How many electrons does Mg-3 have?<br> PLEASE HELP
joja [24]
Magnesium has 22 electrons and 24 protons
7 0
3 years ago
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Which of the following is the best definition of radiation?
mafiozo [28]

Answer: Option (D) is the correct answer.

Explanation:

When heat or energy is transferred through the space in the form of waves or through a material medium then it is know as radiation.

For example, when we take Sun bath then our body gets warm due to solar radiation.

For transfer of heat through radiation it is not necessary that the objects have to in contact with each other.

Thus, we can conclude that out of the given options, the transmission of heat without any contact.

6 0
3 years ago
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What is the land part of the earth called?
Molodets [167]

The Land Hemisphere is the part of the Earth that encompasses the largest portion of land on the planet. Despite being called the Land Hemisphere, the area of water in the hemisphere is greater than that of the area of land present here. The Land Hemisphere has its center at 47°13′N 1°32′W which is located near the French city of Nantes. The Land Hemisphere includes most of Asia and South America and the whole of Africa, Europe, and North America. Seven-eighths of the land area of the Earth is part of this hemisphere

4 0
3 years ago
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