Periodic Table U1 Flashcards
What are the 4 elements on the periodic table
Alkali metals
Transition metals
Halogens
Noble gases
What are alkali metals
Alkali metals react rapidly with water
What group are alkali metals in
Group 1
What group are halogens in
Group 7
What are halogens
Diatomic molecules
What does diatomic mean
Molecules with two atoms
What are noble gases
Noble gases are very unreactive
What group are noble gases in
Group 0
What are transition metals
Dense metals and most form brightly coloured compounds
What group are transition metals in
Between groups 2 and 3
what are the 7 diatomic molecules
chlorine
hydrogen
iodine
nitrogen
fluorine
oxygen
bromine
how to remember the 7 diatomic molecules
CHINFOB
what are the 3 covalent networks
carbon
boron
silicon
why are noble gases very unreactive
they have a full outer shell
