Which reaction would be predicted by the activity series list? ANSWER D ON A PE X A. A metal replaces a metallic ion above it on the list.

B. A metal reacts with oxygen in a combustion reaction.

C. A metal ion reacts with another ion to form a precipitate.

D. A metal replaces a metallic ion below it on the list.

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

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by