Unit 4.4 - Family Groupings Flashcards
(7 cards)
1
Q
Alkaline Earths
A
group 2 elements (reactive)
2
Q
Allotropes
A
forms of the same element that have different molecular structures and therefore different properties
3
Q
Halogens
A
group 17 elements (reactive)
4
Q
Organic
A
compound that is or was part of a living thing; contains carbon
5
Q
Organic molecules
A
molecules that have a backbone of carbon
6
Q
Alkali Metals
A
group 1 elements (reactive)
7
Q
Propose why helium is in the noble gases group
A
Helium is safe and light enough to be used as party balloons and airships unlike hydrogen
as atoms get larger, the heavier it becomes
