How are chemical bonds formed?
A. Through transferring or sharing electrons
B. Through obtaining 10 valence electrons
C. Through gaining core electron
D. Through removing parts of the nucleus

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

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?