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Andrej [43]
3 years ago
5

What is the total number of neutrons in an atom of aluminum-27?

Chemistry
1 answer:
stellarik [79]3 years ago
6 0
Aluminum has an atomic number of 13
with a mass number of 27
number of protons = mass number - atomic number = 27-13 = 14
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An 80g sample of 3 1 H decays, leaving 2.5g of 3 1 H.
RUDIKE [14]
Here is the link to the answer:
7 0
3 years ago
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Kryger [21]

The empirical formula : C₁₂H₄F₇

The molecular formula : C₂₄H₈F₁₄

<h3>Further explanation</h3>

mol C (MW=12 g/mol)

\tt \dfrac{18.24}{12}=1.52

mol H(MW=1 g/mol) :

\tt \dfrac{0.51}{1}=0.51

mol F(MW=19 g/mol)

\tt \dfrac{16.91}{19}=0.89

mol ratio of C : H : O =1.52 : 0.51 : 0.89=3 : 1 : 1.75=12 : 4 : 7

Empirical formula : C₁₂H₄F₇

(Empirical formula)n=molecular formula

( C₁₂H₄F₇)n=562 g/mol

(12.12+4.1+7.19)n=562

(281)n=562⇒ n =2

Molecular formula : C₂₄H₈F₁₄

6 0
3 years ago
Why do we crack molecules?
tino4ka555 [31]

We need to crack molecules in order for us to get the desired molecule. For example, in the extraction of crude oil, after entering the fractional distillation, it will give products base on their molecular structure. The products are gasoline, diesel fuel, jet fuel, wax, asbestos,kerosene.

4 0
3 years ago
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What will be the charge of an atom containing eight protons, nine neutrons, and 10 electrons?
Wittaler [7]
The charge would be -2 because there are 2 more electrons than protons, and electrons have a negative charge.
6 0
3 years ago
Can you tell me about atoms
trasher [3.6K]

Answer:

is the smallest unit of ordinary matter that forms a chemical element.

Explanation:

and were created after the Big Bang 13.7 billion years ago.

4 0
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