Answer:
Hi there!
The correct answer is 2.29 x molecules
Explanation:
To convert from the moles to molecules:
1 mole = 6.022 x 10²³ molecules
so basically you multiply 3.8 by 6.022 x 10²³
and you get: 2.29 x
Which of these counts as a single electron domain?
1 answer:
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Answer: Two electron configurations of elements that would have similar chemical properties are (2) and (4).
Explanation:
(1)
(2)
(3)
(4)
Valence electrons : These are the electrons present in last principal quantum number of an atom of the element.
Two electron configurations represent elements that would have similar chemical properties are (2) and (4). This is because number of valence electrons present in both of them are same that is seven valence electrons . Also valence electrons of both the elements are present in p-orbital which means that they both belongs to same group in a periodic table. The members of same group in a periodic table have similar chemical properties.