8. Ethyne completely decolorizes Br, in CCl4. This is due to the formation of;
A. 1,1,2,2-tetrabromoethane
B. 1,2-dichloroethane
C. 1,1,2,2-tetrabromoethene
D.1,2-dibromoethane

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

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