1. shape changes without breaking
2. how shiny/reflective object is
1. ductility
2. lustre
first 4 elements and there symbol
hydrogen - h
helium - he
lythium - li
berilium - be
what is the chemical and physical properties made of ex. micro and macroscopic levels
phys. macro
chemi. micro
what 3 things are atoms made of
protons, neutrons and electrons
1. matter is made of particle
2. particles are always in motion
3. there is space between every particle
4. heat added to particles makes them go faster
5. particles in pure substances are the same
1. appearance/feeling
2. ability to see light or another object through it
1. texture
2. clarity
boron
carbon
nitrogen
oxygen
florine
what do these properties do
characteristics used to describe how substances behave
1. what are atoms?
2. the basic unit of what
1. tiny particles
2. a chemical element
what is a pure substance made of and how many types of particles are in it
It is made of element and compound. It has 1 type of particle
1. to scratch or be scratched
2. shaped or etended with force
1. hardness
2. malleability
what are the symbols of neon, sodium, magnesium, aluminum, silicon
ne, na, mg, al, si
physical prop. are?
properties that can be observed without forming a new substance
1. what is matter?
2. what forms can it be
3. what is matter made of
1. anything that has mass and volume
2. solid liquid gas
3. atoms
what type of mixtures are there
heterogeonous and homogeneous
1. the resistance to flow
2. to be able to dissolve
1. viscosity
3. solulbility
what are p, s, cl, ar
phosforus, sulfur, chlorine, argon
what chemical prop. are?
what is volume and mass
volume - the space an object takes up
mass - the weight of an object
what is a heterogeneous mixture
an inconsistent mixture with 2 or more substances, the substances are distinct.
ex. salad or sandwich
boiling point
the temp. at which an object changes state from liquid to gas. when its vapour pressure equals its atmospheric pressure
what are the last 2 elements and the symbols
potassium - k
calcium - ca
physical properties can include what information.
quantitative (numbers data)
qualitative
what is chemistry
the study of matter and the changes in matter
what is a homogeneous mixture
a uniform mixture with 2 or more substances. tjey combine to make a consistent mixture.
ex. orange juice or water and sugar