Answers: 1
Chemistry, 22.06.2019 08:30
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
Chemistry, 22.06.2019 19:50
When the mercury level in a barometer decreases that atmospheric pressure has
Answers: 3
Chemistry, 22.06.2019 20:10
Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )
Answers: 2
Chemistry, 22.06.2019 23:00
Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry
Answers: 3
Which term describes the energy required to remove an electron from an atom?...
History, 22.06.2019 19:00
History, 22.06.2019 19:00
Chemistry, 22.06.2019 19:00
Mathematics, 22.06.2019 19:00
Biology, 22.06.2019 19:00
Chemistry, 22.06.2019 19:00
Biology, 22.06.2019 19:00
Mathematics, 22.06.2019 19:00
Mathematics, 22.06.2019 19:00