Metals, Properties
19-September-2024 Thursday
Physical properties of metals. Video lesson for grades 8-9
03-September-2023 Sunday
So let's write it down: carrying mercury in a bag is not a good idea.
25-October-2022 Tuesday
Gallium (Ga), characteristics and properties of the metal
21-May-2017 Sunday
THE DIFFERENCE IN THE BEHAVIOR OF METALS ON EARTH AND IN SPACE
v20240901