Which substance is a diatomic molecule?
a. he
b. o2
c. co2
d. h2o?...
Chemistry, 05.10.2019 22:00 miagirl0311
Which substance is a diatomic molecule?
a. he
b. o2
c. co2
d. h2o?
Answers: 1
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Why are people not able to scuba dive in the deep part of the ocean
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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
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Match the mixture with the substance// i really need on this guys (it’s a pic btw)
Answers: 1
Chemistry, 22.06.2019 14:30
Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous
Answers: 1
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