Which statement accurately describes the atoms of a specific element?
A.
A tin, Sn, atom...
Chemistry, 13.10.2020 14:01, GalaxyCraft4991
Which statement accurately describes the atoms of a specific element?
A.
A tin, Sn, atom contains 118 electrons outside the nucleus and 50 neutrons inside the nucleus
B.
A zinc, Zn, atom contains 65 electrons and 65 protons inside the nucleus
C.
A carbon, C, atom contains 6 protons inside the nucleus and 6 electrons outside the nucleus
D.
An aluminum, Al, atom contains 26 protons inside the nucleus and 13 neutrons outside the nucleus
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Answers: 3
Chemistry, 22.06.2019 21:00, rah45
Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon
Answers: 1
Chemistry, 23.06.2019 07:30, bryantjorell
Which statement is actually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.
Answers: 2
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