Understand how to name alkanes and write their formulas question when numbering the parent chain for an alkane with only alkyl or halogen substituents, we will number so as to give: select the correct answer below: o the heaviest substituent occurring soonest o the lightest substituent occurring soonest o any substituent occurring soonest o the chain is always numbered left to right ! feedback more instruction submit content attribution

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

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Why doesn't heat added to water make the tempature rise above 100c