If you answer correctly i'll give you brainliest! i need the correct answer or else i'll get a 75 at most! there's only 4 questions on my assignment! what type of nuclear reaction results in a single nucleus undergoing a decrease in mass number, a decrease in atomic number, and the release of a helium nucleus? a. alpha decay b. beta decay c. gamma radiation d. nuclear fusion

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

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