The three major types of substances from which we obtain energy are
Carbohydrates, fats, proteins
The process of synthesizing the molecules to make cell structures within a living cell is called
The overall set of chemical reactions that keep ce
Which of the following is not a property of acids?
Feel slippery on the skin
Which of the following is not a property of bases?
React with salt to to form acids
In general, when an acid and a base are mixed
A salt and water are formed
A common substance t
Which of the following equations are balanced?
I and III
Consider the equation for the reaction of phosphine with oxygen to form
tetraphosphorus decoxide and water:
PH + O -> PO + HO (not balanced)
When the equation is balanced, how many molecules of wate
Which group of elements in the periodic table is characterized by an
especially stable electron arrangement?
8A (Noble Gases: Helium, Neon, Argon, Krypton, Xenon, Radon)
The structural difference between a sodium atom and a sodium ion is that
the sodium i