True or false: 1. an object can have only one type of energy at a time 2. if an object has energy, it must be moving. 3. all energy travels in waves.

What is impossible to do with a hypothesis

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

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring