If you have significant concerns about a child's development, you should a. sensitively present your concerns to the family and see if they're ready to talk about next steps. b. complete the special education evaluation to determine whether the child has a disability. c. talk with the child's physician about your concerns. d. refer the child to a special education provider in your community.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

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 vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons