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Lilit [14]
3 years ago
14

How many atoms of group 17 element would be needed react with one atom of a group 2 element? Explain

Chemistry
2 answers:
ddd [48]3 years ago
5 0
2 atoms of group 7 elements, because group 2 elements have 2 valence electrons and group 7 need just one atoms to stabilize.
shusha [124]3 years ago
3 0
Only one atom because atom with 17 electrons need that one electron to become stable
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djverab [1.8K]
<span><u><em>Answer:</em></u>
All of the above

<u><em>Explanation:</em></u>
Vertebrates are a class of creatures falling under kingdom "<u>Animalia</u>" that are characterized by the presence of an internal skeleton composed of bones.

<u>Vertebrates are characterized by the following:</u>
1- presence of internal skeleton
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Comparing the mentioned characteristics with the options given, we will find that the most suitable answer is: <u>"all of the above"</u>.

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A block of iron has a mass of 150 g and a volume of 20 ml. What is the density of iron? *
shtirl [24]

Answer:

<h3>The answer is 7.50 g/mL</h3>

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density =  \frac{mass}{volume} \\

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volume = 20 mL

We have

density =  \frac{150}{20}  =  \frac{15}{2}  \\

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