Ninety-nine percent of all the matter that can be observed in the universe exists as
a. gases....
Chemistry, 30.09.2019 16:30 CristianPaz
Ninety-nine percent of all the matter that can be observed in the universe exists as
a. gases.
b. plasmas.
c. liquids.
d. solids. reset selection
mark for review what's this?
Answers: 1
Chemistry, 21.06.2019 22:10
How do forces between particles in gases compare to forces in the other states of matter? o a. the forces in gases are stronger than forces in solids but weaker than forces in liquids. o b. the forces in gases are weaker than forces in solids but stronger than forces in liquids. o c. the forces in gases are weaker than forces in solids and liquids. o d. the forces in gases are stronger than forces in solids and liquids. submit
Answers: 1
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 11:00
Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation
Answers: 1
Chemistry, 22.06.2019 17:30
Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
Answers: 2
Computers and Technology, 30.01.2020 16:42
Mathematics, 30.01.2020 16:42
Mathematics, 30.01.2020 16:42
Mathematics, 30.01.2020 16:42
Mathematics, 30.01.2020 16:42
History, 30.01.2020 16:42
Business, 30.01.2020 16:43