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ATOMS
The fundamental units of matter
PROTONS
The atomic number of an element is equal to the number of
IONS
- Atoms with number of protons not equal to the number of electrons
RADIOACTIVITY
The process of spontaneous atomic decay
INERT
Elements with complete valence shells and are stable- unable to combine with other elements
IONIC BOND
- Formed when electrons are completely transferred from one atom to another
HYDROGEN IONS
- The pH scale measure relative concentration of-
ENZYMES
- Act as biological catalysts which increase the rate of chemical reactions.
MILK OF MAGNESIA
Which of the following substances is the basic
WATER
he most abundant inorganic compound in the human body