Chemistry, 20.10.2020 06:01 afridi5250
A rug sits in a sunny place on the floor for a long time.
Kiara thinks that light from the sun can cause the rug's
color to fade over time. Can light from the sun cause the
rug's color to fade?
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 06:30
Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 1
Chemistry, 23.06.2019 07:00
What are the trends and exceptions to the trends in electron affinity?
Answers: 1
A rug sits in a sunny place on the floor for a long time.
Kiara thinks that light from the sun can...
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