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velikii [3]
2 years ago
13

I will give brainliest and so many points

Chemistry
1 answer:
jenyasd209 [6]2 years ago
8 0

Answer:are there any answer option? cause i know but i have to make sure

Explanation:

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Elements are organized on the periodic table based on their properties. Which statement correctly predicts and explains the chem
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Answer is: a. Rubidium (Rb) is more reactive than strontium (Sr) because strontium atoms must lose more electrons.

The ionization energy (Ei) is the minimum amount of energy required to remove the valence electron, when element lose electrons, oxidation number of element grows (oxidation process).  

Alkaline metals (group 1), in this example rubidium, have lowest ionizations energy and easy remove valence electrons (one electron), they are most reactive metals.

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Rubidium electron configuration: ₃₇Rb 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶5s¹; one valence electron is 5s¹ orbital.

Strontium electron configuration: ₃₈Sr 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶5s²; two valence electrons is 5s² orbital.

7 0
2 years ago
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C. The blue side is basic.

D. Because it has more negative hydroxide ion.

4 0
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Please help this is due today
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