Answer:
16a+20
Explanation:
Multiply using the distributive property.
Answer:
It is a chemical change
Explanation:
the reason is because the will not be able to materialize back into it's original form.
Answer:
NH3 Ammonia
Explanation:
Ammonia has 4 regions of electron density around the central nitrogen atom (3 bonds and one lone pair). These are arranged in a tetrahedral shape. The resulting molecular shape is trigonal pyramidal with H-N-H angles of 106.7°.
I dont get what you are asking is there answers?