What is the important difference between Thomson's plum pudding model of the atom and Rutherford's model of the atom? Select one:
a. Thomson's model is compared to a dessert.
b. Rutherford's model places the protons and neutrons in a nucleus in the center of the atom.
c. The plum pudding model places the neutrons around the perimeter of the atom.
d. The plum pudding model places the electrons in the nucleus of the atom.

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

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?