Anikarenee
05.05.2020 •
Chemistry
A solution has a pH of 7. Is it considered a(n)
A) acid
B) base
C) neutral substance
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Ответ:
The answer is C .
Explanation:
Neutral substance is indicated pH 7 at Universal Indicator .
Ответ:
1s22s22p6: Ne
1s22s22p63s23p3 : P
1s22s22p63s23p64s1: K
1s22s22p63s23p64s23d8: Ni
1s22s22p63s23p64s23d104p65s24d3: Nb