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April Iris De Guzman
Anatomy Week 2 Chemistry of Life
Question | Answer |
---|---|
The element oxygen has an atomic number of 8, which means it contains how many protons? | eight |
What term is used to describe all of the chemical reactions that occur in body cells? | metabolism |
Substances that accept hydrogen ions are called | base |
Acids, bases, and salts belong to a large group of compounds called | electrolytes |
Chemical bonds formed by the sharing of electrons are called: | covalent |
A substance that cannot be broken down or decomposed into two or more different substances is called: | element |
The reaction between hydrogen and oxygen needed to form water is an example of a: | synthesis reaction |
In the presence of a base, red litmus paper will turn: | blue |
Approximately what percentage of the body weight of an adult female is water? | 50% |
What is the most abundant and important compound in the body? | water |