Bohr models
How do you get the neutrons.
atom mass from atom mass from atom numbers.
Where on the periodic table is atomic number
It is on the top left
What are three states of matter
solid liquid gas
what is needed to change the faces of matter
cooling or heat
Where do the vertical lines go
run up and down
Where do the neutrons and protons go
In the middle
Where on the periodic table is the atomic mass
at the bottom left
How much space does solid liquid and gas take up
a solid has a fixed volume and liquds take up the shape of the container and gas have a fixed container and take up the whole shape of the container
How is steam different from water vapour
You can see steam but not water vapour
where do the period run
They run left to right
Who invented the Bohr model
Niels Bohr
What charge does protons neutrons and electrons have
protons are positive neutrons are neutrole and electrons are negative
What is matter
It is anything it takes up space and weight
what happens to the molecule when they change from solid liquid and gas
The movement of the
change
how is the periodic table sorted
by increasing the atomic number
Where do you place the electrons
On the rings on the outside
What is a atom
It is a smallest part of a substance and can not be broken down chemicaly
what is the word when something is turning from liquid to solid
melting
how does a refrigerator cool food and drinks
it removes energy which in turn removes energy from food
what are the main ways of grouping elements
periods and groups
what is the election configuration
2,8,8,18
What is the difference between periods and groups
periods run left to right and groups run down
According to the KMT why does gas expand and fill the space of the container
because the molicules are constantly moving
What is absoulute zero
it is colder then anything -273
what do the period tell us
how many electron shells a atom has