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harina [27]
3 years ago
7

6. What is the number of electrons in an atom that has

Chemistry
1 answer:
Alex Ar [27]3 years ago
4 0

Answer:

D. 17 electron is your answer

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Calculate the atomic mass of Carbon if the two common isotopes of carbon have masses of
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Answer:

Average atomic mass of carbon = 12.01 amu.

Explanation:

Given data:

Abundance of C¹² = 98.89%

Abundance of C¹³ = 1.11%

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Atomic mass of C¹³ = 13.003 amu

Average atomic mass = ?

Solution:

Average atomic mass of carbon = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

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Average atomic mass of carbon=  1186.68 + 14.43333 / 100

Average atomic mass of carbon = 1201.11333 / 100

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Find the % of H in ammonium hydroxide (NH4OH)
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Solutes lower the freezing point of water by:
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