2. Anything that occupies space and has
mass.
Matter having definite shape and
volume
Matter having definite volume but not
shape.
3. Matter having neither a definite shape
or volume.
Simplest form of a pure substance with
definite chemical and physical
properties cannot be split into a
simpler substance by ordinary physical
and chemical means.
4. The basic building block of each
element that retains the properties of
the element.
An atom with a positive or negative
charge because of loss or gain of
electrons respectively.
5. Combination of two or more atoms due
to sharing of electrons between them.
A substance that contains atoms of two
or more different elements.
Forces that hold together the atoms of a
molecule or a compound.
6. It occurs when new bonds form or old
bonds break between atoms.
An inorganic substance that dissociates
into ions in solution.
Dangerous swelling of cells due to
excess of water in body (fluids).
7. Correct proportion of water and solutes in
various compartments of the body.
Intra cellular fluid, fluid inside the cells.
Extracellular fluid, fluid ouside the cells
which includes interstitial fluid, blood
plasma and lymph, cerebrospinal
fluid,etc.
8. The negative log of the hydrogen ion
concentration in a solution.
Proton donors in solutions.
Proton acceptors in solutions.
9. The tendency of a solution to resist a
change in pH following addition of a
strong acid or base more effectively
than an equal volume of water.