Which of the following household appliances is designed to directly convert electrical energy to heat energy?
A.
a can opener
B.
a stove
C.
a garbage disposal
D.
a fan

Which compounds have the empirical formula ch2o? a.c2h4o2 b.c3h6o3 c.ch2o2 d.c5h10o5 e.c6h12o6

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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?