Atoms Flashcards
what are the types of atoms
elements, compounds, mixtures
what is an element
groups of the same atoms
what does a mixture of a compound look like?
different atoms chemically bonded to other different atoms to make a solution
positive, negative or neutral ?
1)portions are …
2)elections are …
3)neutrons are …
1) positive
2)negative
3)neutral
what is a protons relative mass and charge ?
relative mass: 1
relative charge: +1
what is a neutrons relative mass and charge ?
relative mass: 0
relative charge: +1
what is a electrons relative mass and charge ?
relative mass: 0
relative charge: -1
what are isotopes ?
different versions of the same element, different number of protons, same number of neutrons
in chemical equations what comes first: reactant or product?
reactant
what is a solution?
a solution is something that has dissolved, normally, in water
what is a mixture ?
a mixture contains 2 or more different elements or compounds
insoluble meaning ?
cant be dissolved
what is the separation or liquids based on?
boiling point
what is the process of separating liquids ?
distillation
name of the thing that has water surrounding it in a distillation experiment?
condenser
what happens in the middle of the a distillation experiment?
evaporation
what does the condenser do in a distillation experiment?
it cools down the gas changing it back into a liquid
what is a compound?
a compound is a substance where 2 or more elements have been chemically bonded together
what does the group number mean?
how many electrons are in the outer shell
what is found in the nucleus?
neutrons and protons
what will occur if a gas is being made?
fizzing or bubbling
