kiingbr335yoqzaxs

13.12.2019 • 

Chemistry

Which is a description of a pattern displayed by elements in the periodic table?
a) repetition of their physical properties when arranged by increasing atomic radius
b) repetition of their chemical properties when arranged by increasing atomic mass
c) periodic repetition of their properties when arranged by increasing atomic number
d) periodic repetition of their properties when arranged by increasing atomic mass

Ответ:

iBrain

12.01.2022

Chemistry

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The correction option is C. In the periodic table elements are arranged in periodic repetition of their properties using their atomic numbers.

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Ответ:

hit89

19.08.2022

Chemistry

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There seem to be 3 major discoveries about particles that year. The first is neutrino oscillation is demonstrated. Next, supernovae observations suggest that the expansion of the universe is accelerating. Time reversal asymmetry is observed for K meson decay 

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