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Flashcards in Structure of Table Deck (9)
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1
Q

What does the periodic table have?

A
  • Horizontal rows which are called periods
2
Q

Define ‘Periods’

A
  • Row in the periodic table in which the atomic number increases one by one element to the next
3
Q

What are each rows like?

A
  • The elements are arranged in terms of increasing atomic number
4
Q

What is ‘Period Number’?

A
  • The same as the number of electron shells
5
Q

What happens as you go along a period?

A
  • The properties of elements change
6
Q

What are columns of the periodic table called?

A
  • Groups
7
Q

Elements in the same group have what?

A
  • Similar properties, as they have the same number of electrons in their outer shell
8
Q

What is the pattern with Group Number?

A
  • It is always equal to the number of electrons in their outer shell
  • E.g. group 2 elements have 2 electrons in their outer shell
  • Apart from Group 0, which have 8 electrons
9
Q

Describe what is seen as you go down the groups

A
  • The properties of elements (reactivity) often gradually changes