Lithium-6 has an atomic number of 3. how many neutrons are in this isotope?
a.
0 neutrons
b.
3 neutrons
c.
6 neutrons
d.
9 neutrons

Which of the following is considered a benefit to using wind energy as a source of power

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

Which of the following electromagnetic waves can create ions?