When covalent bonds form between two atoms, both atoms' outer shells a. become ionized. b. are full of electrons. c. require additional electrons to become full. d. will easily give up electrons in order to become more stable.

What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .

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

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at