14 A teacher gives her students a paper plate, glue, 10 black beads (electrons), 10 blue
beads (neutrons) and 10 red beads (protons). The students are to glue the beads onto the
paper plate to construct an atom. One student chooses to construct Magnesium and finds
out that he doesn't have enough beads. How many more beads of each color does he need
to correctly construct the atom?
A.2 black, 2 blue, 2 red
B.1 black, 1 blue, 1 red
C.3 black, 2 blue, 1 red
D.3 black, 3 blue, 3 red
Answers: 1
Chemistry, 21.06.2019 19:00
Does the temperature affect the solubility of sugar and salt in water? if it does tell me like different temperatures with different solubilities so i can sketch down a graph
Answers: 2
Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
Chemistry, 22.06.2019 21:00
Which property of water causes water drops to bead on a freshly waxed car?
Answers: 2
14 A teacher gives her students a paper plate, glue, 10 black beads (electrons), 10 blue
beads (neu...
Spanish, 27.06.2019 14:00
Spanish, 27.06.2019 14:00
Mathematics, 27.06.2019 14:00
Biology, 27.06.2019 14:00
History, 27.06.2019 14:00
Mathematics, 27.06.2019 14:00
Mathematics, 27.06.2019 14:00
Biology, 27.06.2019 14:00
Biology, 27.06.2019 14:00