pedorix table pt2 Flashcards
1
Q
what do all elements in the same group have in common?
A
the same number of outer electrons and similar chemical properties
1
Q
A
2
Q
where do the transition elements like on the table? and what are they used for?
A
the middle block elements and catalysts
3
Q
what is a catalyst?
A
a catalyst is a substance that speeds up a chemical reaction without being used it
4
Q
where do metals lie on the table?
A
the left hand side
5
Q
where do non metals lie?
A
the right hand side
6
Q
what group of elements have to be stored under oil due to their high reactive ness ?
A
the alkali metals
7
Q
what other group is also very reactive?
A
halogens
8
Q
what group is very non reactive ?
A
the noble gases
