what is matter
anything that takes up space
what is a mixture
a type of component that contains more than one type of particle.
what is the chemical symbol for water
H2O
how many groups are in the periodic table
18
in which state of matter are particles tightly pasked and only vibrate
solid
what is matter made up of
matter is made up of tiny particles called atoms
what are the 2 types of mixtures
heterogenous and homogenous
What element is the symbol "O"
oxygen
what are horizontal rows on the periodic table called
they are called periods
in which state do particles flow past eachother but stay close
liquid
what are the 3 different states of matter
solid, gas, liquid
describe heterogenous mixtures
a mixture where the component is not uniform
what is the most useful element in periodic table
carbon
what type of elements are found on the left side of the periodic table
metals
in which state are particles far apart and move freely
gas
what is volume
the amount of space something occupies
what is a homogenous mixture
a uniform mixture of two or more pure substances
which gas is essential for humans to breathe in and out
oxygen
what is the atomic number of nitrogen
7
which state has most energy in it's particles
gas
what do atoms consist of
proton, neutron, electron
what is pure substance
an element that has a single kind of atom
what element has 6 protons in it's nucleus
carbon?
what is the symbol for potassium
K
which state of mater has a definite volume but not a definite shape
liquid