Sodium metal is soft and squishy
Easiest way to identify metals nonmetals noble gases and metalloids from first 20 elements
GCSE 化学 - 金属と非金属 #10
“ METALS AND NON-METALS " 1964 CHEMISTRY & PERIODIC TABLE OF ELEMENTS EDUCATIONAL FILM XD72264b
Bromine is scary
周期表上の金属、非金属、半金属
Touching mercury
Sodium is better than potassium
Pure arsenic is scary
銅 (Cu): 金属、非金属、または半金属?
Dissolving gold in mercury
Which metal is not a good conductor of electricity?
Bromine a Dangerous Toxic Liquid
Calcium is crazy
DIY Metal Detector | Can also distinguish between Ferrous and Non-Ferrous Metal | FM2v2
Periodic Table Explained! #chemistry #science
Nonmetal
Biting through metal (Indium)
MgBr2 (臭化マグネシウム) はイオン性ですか、それとも共有性ですか?
Mixing sodium with mercury