Be sure to answer all parts. A pool is 33.5 m long and 40.2 m wide. If the average depth of water is 6.90 ft, what is the mass (in kg) of water in the pool? Enter your answer in scientific notation. of The density of water is 1.0 g/mL. By sta x 101 and 2 SS que​

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

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 atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have