Chemistry, 22.10.2019 03:20 JvGaming2001
Uranium-238 undergoes alpha decay. therefore, uranium-238 will. a. remain stable.. b. change into a different element altogether.. c. emit neutral particles and no energy.. d. none of the above
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
Uranium-238 undergoes alpha decay. therefore, uranium-238 will. a. remain stable.. b. change into...
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