It’s D because the other ones don’t aren’t true
I believe the major periodic trends include; electronegativity, ionization energy, electron affinity, atomic radius, melting point, and the metallic character. Periodic trends, arising from the arrangement of the periodic table, provide chemists with an invaluable tool to quickly predict an element's property.
<u>Answer:</u> The group of elements that corresponds to the electronic configuration is group 13.
<u>Explanation:</u>
Electronic configuration is defined as the representation of electrons in a given atom.
Valence electrons are defined as the electrons present in the outermost shell or the sub-shell having highest value of 'n'.
We are given:
General electronic configuration =
where,
n = principal quantum number and is determines the energy level of the sub-shell
The number of valence electrons in the configuration are = 2 + 1 = 3
And, as the last electron is entering the p-subshell, so the element is a p-block element.
The given electronic configuration is of group 13 elements.
Hence, the group of elements that corresponds to the electronic configuration is group 13.
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Answer:
About 0.20 grams of copper (II) is formed, and some aluminum is left in the reaction mixture
Explanation:
Logic? I am taking the test right now and that is what I put.