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Svet_ta [14]
3 years ago
10

1 Anatomhas 20number?with 39neutronmass numberit'satomic​

Chemistry
1 answer:
masya89 [10]3 years ago
3 0

yes it is atomic if the mass number is that high

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Negative radical in the periodic table​
yKpoI14uk [10]

Answer:

A radical is a group of atoms of elements carrying a charge, e.g., chlorate [ClO3–]. Radicals or ions are formed by losing or gaining electrons. When an electron is gained the group of atoms acquire a negative charge and is called a negative radical or negative ion.

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3 years ago
Tin reacts with Fluorine to form two different compounds, A and B. Compounds A contains 77.0 g tin for each 24.6 g of fluorine.
Ratling [72]
A contains 38.5 g of tin for each 12.3 g of fluorine: 
<span>mole ratio: </span>
<span>(38.5 g)/(118.71 g/mol):(12.3 g)/(18.998 g/mol) = 0.324:0.647 = 1:2 ⇒ SnF₂ </span>

<span>B contains 56.5 g of tin for each 36.2 g of fluorine: </span>
<span>mole ratio: </span>
<span>(56.5 g)/(118.71 g/mol):(36.2 g)/(18.998 g/mol) = 0.476:1.905 = 1:4 ⇒ SnF₄

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.


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3 0
3 years ago
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Which of the following statements about subatomic particles best characterizes protons?
REY [17]
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3 0
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Extra points!
noname [10]

Answer:

1A

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Explanation:

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4 years ago
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What is the mass of 14.0 mol of Ba(NO3)2?
sashaice [31]

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Explanation:

Please mark brainliest my answer got taken down its correct

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