Chemistry, 11.12.2020 06:50 bella122805
The process by which the ocean floor sinks through a deep ocean trench and back into the mantle is known as
A.
convection
B.
continental drift
C.
subduction
D.
conduction
Answers: 3
Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
Chemistry, 22.06.2019 14:00
What term describes technology that operates on an atomic level
Answers: 2
The process by which the ocean floor sinks through a deep ocean trench and back into the mantle is k...
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