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How are elements arranged in the modern periodic table?
By atomic number
Why does the reactivity of the group 1 alkali metals increase as you go down the group?
Outer electron further away from the influence of the nucleus, more easily lost
How many electrons are in the outer shell of elements in group 2?
What is the name of Newlands attempt at arranging the elements?
Why did Newland arrange the elements the way he did?
He noticed that every eighth element had similar properties
AQA C3 Revision