chemm Flashcards
Rutherford was the first scientist to suggest the modern day model of an atom. The idea of element being made of atoms was also suggesed by a scientist just over 100 years before Rutherfords suggestion. Use the time line to name this scientist.
DALTON
The atomic model made famous by JJ Thomson in 1904 was caled the plum pu
the model first suggested by rutherford has changed over time why has th
most of the particles pass straight through the goil foil. Other particl
write down the charge on a electron
which scientist developed the nucear or planetary model of the atom?
the electros in an atom are held in position. They do not escape from th
explain how the particles in an atom are held together
the electrons in the charge cloud are held in position. They do not esca
Aiko wants to draw a diagram of an atom of sodium. Describe two ways an
write down the chemical symbol for berylium
Lithium is the third elemnt in the periodic table. Beryllium is the four
which one of these scientists did research on the structure of an atom?
How many electorns are there in one atom of aluminium.
which scientist the the structure of the atom?
DARWIN OR EINSTEIN OR PA
in which group of the periodic table is aluminum found?
aluminium is used in the circuit boards and batteries of mobile phones.
why is it important that scientists publish their results
how did rutherford show that daltons atomic theory was not correct
How did scientists tell that ruther fords aromic theory is not correct
write the chemical symbol of an element in the same group as chlorine
write down the chemical symbol of an elemant in the same period as sodiu
write down the chemical symbol of the element with an atom with only 8 p
name the method of seperating colours in ink
explain why the ink dot must be above the solvent
describe the relation ship between the temperature of the water and the
write down the chemical formula for sulfuric acid
what is meant by analogy