Answer the following statements true (T) or false (F)

1. Emulsions and colloids are the same thing.
2. Chemical properties are determined primarily by neutrons.
3. A charged particle is generally called an ion.
4. Isotopes differ from each other only in the number of electrons contained.
5. About 60% to 80% of the volume of most living cells consists of organic compounds.


1. TRUE
2. FALSE
3. TRUE
4. FALSE
5. FALSE

Anatomy & Physiology

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The four elements that make up about 96% of body weight are ________

A) carbon, oxygen, hydrogen, nitrogen B) carbon, oxygen, phosphorus, calcium C) nitrogen, hydrogen, calcium, sodium D) sodium, potassium, hydrogen, oxygen

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Anatomy & Physiology