Physical: how it looks, mass, temperature it boils, temperature it melts, is it brittle, is it stretchy , it is magenetic, can be measured, heat conduction, can be dissolved, density, Chemical: explosion happen (combustion), power is generated , new material created , observed when matter changes, ability to chemically combine with other substances, flammability, can it rust? , react with oxygen,

Physical and Chemical Properties

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?