Which of the following terms best describes the nucleus of a radioactive element?
a. unchangi...
Chemistry, 31.12.2019 08:31 mommykathryn10pb9bdb
Which of the following terms best describes the nucleus of a radioactive element?
a. unchanging
b. explosive
c. unstable
d. energized
Answers: 2
Chemistry, 22.06.2019 00:00
The p sub shell can hold up to 8 electrons in an atom. true or false?
Answers: 1
Chemistry, 22.06.2019 17:00
Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.
Answers: 2
Chemistry, 23.06.2019 00:30
Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
Answers: 2
Chemistry, 23.06.2019 10:30
When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?
Answers: 1
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