Mr. alex has been craving some tang orange drink, so he saves up his money to buy a package of tang powder for 30¢.

he measures out 250ml of water and adds 38g of tang powder.

what is the % concentration of the drink he made?

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

What are the 4 phases of matter in order of increasing engery content?

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles