peridoic table Flashcards

lern

1
Q

alkaline earth matels

A

2 electrons outermost shell. group 2, reactive but slower than group 1, less heat produced.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

lanthanides

A

group does not fi typical periodic table type , metals are silvery white, tarnish on contact with air.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

actinides

A

only thorium and uranium exist naturally on earth radioactive unstable nucleus in atom.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

transition metals

A

hard but malleable, shiny, good conductivity .

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

post transition metals

A

moving towards non meats world softer conduct poorly metals.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

metalloids

A

movinbg to non meats conductors poor meats

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

non mealtls

A

starcase reactive with metals carbon nitrogen oxegen.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

halogens

A

group 7 chemically reactive pair up with alkail meats to make salts.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

noble gases

A

inert gaess group 8 colorless odourless non reactive by nature claming effect light.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly