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Lera25 [3.4K]
3 years ago
6

Given that oxygen has an atomic number of 8.

Chemistry
2 answers:
Tcecarenko [31]3 years ago
7 0

Answer:

Oxygen (O), for example, has three naturally occurring isotopes, which can be written as 8/16O, 8/17 O, and 8/18O.

Explanation:

professor190 [17]3 years ago
4 0

Answer: 8 protons and 10 neutrons

Explanation:

Atomic number is defined as the number of protons or number of electrons that are present in an atom.

Atomic number = Number of electrons = Number of protons

atomic number = 8 = Number of protons

Mass number is defined as the sum of number of protons and neutrons that are present in an atom.

Mass number = Number of protons + Number of neutrons

Mass number = 18 = Number of protons + Number of neutrons

Thus Number of neutrons =18 - Number of protons= 18 - 8 = 10

Thus there are 8 protons and 10 neutrons in Oxygen -18.

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Which part of the mantle is still a solid but flows thick , heavy liquid? A.asthensosphere B.crust C.core D.lithosphere
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4 0
3 years ago
Read 2 more answers
Example A:
nexus9112 [7]
<h3 />

As Scientist B did the experiment incorrectly tht is Gretchen measured out 5 grams of aluminum and heated it with excess fluorine gas.

<h3>What is the stoichiometry in chemistry?</h3>

Chemical Stoichiometry refers back to the quantitative look at of the reactants and merchandise concerned in a chemical reaction. The word “ stoichiometry” is derived from the Greek word “stoikhein” which means detail and “metron” which means measure.

  1. As scientists used the insufficient amount of Al due to which weight of Al2O3 is not found ane caused the high error.
  2. It includes stoichiometry to show how the scientist can make the experiment correct by the production of  19 g of  ALF3 which is 26.98 x 19 / 83.98 g of Al.
  3. so the mass is 610 g of Al that would be the correct amount.

Read more about stoichiometry :

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3 0
2 years ago
Which of the following represents new land formed beneath the plates from divergent boundaries?
ohaa [14]

Answer:

Mid ocean ridge.

Explanation:

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7 0
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A 17.3 g sample of Caso, is found to contain 5.09 g of Ca and 8.13 g of O. Find the mass of sulfur in a sample of CaSo, with a
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Answer:

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Explanation:

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