1) Yttrium (39) is a a) metal b) semi-metal c) non-metal 2) Xenon (54) is a a) metal b) semi-metal c) non-metal 3) Boron is a a) metal b) semi-metal c) non-metal 4) Is scandium (21) shiny?  a) yes, probably b) no, probably not 5) Does selenium (34) conduct electricity?  a) yes b) no 6) Is iodine (53) malleable or brittle?   a) malleable b) brittle 7) All non-metals are gases. a) True b) False 8) There are only TWO liquid elements on the Periodic Table. a) True b) False

8th Video B

autors:
Drukāt
Iegult

Līderu saraksts

Vizuālais stils

Iespējas

Pārslēgt veidni

Atjaunot automātiski saglabāto: ?