Chemistry, 25.09.2019 07:10 twinkieslayer
How many protons and neutrons are in an atom with this representation:
27 ?
17
which element would have this representation:
43 ?
21
if a neutral atom gains 4 electrons, its charge will be…
Answers: 1
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Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!
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Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.
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How many protons and neutrons are in an atom with this representation:
27 ?
17
w...
27 ?
17
w...
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