Matter is everything that has volume and...
mass
atoms are the smallest particles of...
matter
Water is made of 2 atoms of hydrogen and ...
1 of oxigen
What are molecules made of?
2 or more atoms.
what are atoms?
are the smallest part off matter
something is rigid when it is difficult...
to bend
density is ...
the amount of mass that there are in 1 unit of volume.
scales __ __ __ __ __ __ __ the mass
measure
when is something impermeable?
something is impermeable when liquid can't pass through the objet.
An atom is ...
the smallest particule of matter.
What is density?
is the amount of mass in a unit of volume.
how do we represent chemical elements?
with 1 or 2 letters.
Pure elements are...
the molecules that contains only 1 tipe of atoms.
What is mass?
Mass is the amount of matter in an object
how do we measure mass?
with grams and kilograms using balances and scales.
what is mass?
mass is the amount of matter
