Answer: below
Explanation:
Glass can be heated up and turn into a liquid, its a hard procces, due to the extreme heat, machines are used today.
Answer: (2) CO
Co, Cr, and Cu are elements. Elements cannot be broken down by a chemical change, but compounds can. Since CO is a compound, it can be decomposed by a chemical change.
Explanation:
Supposing we have to find the difference between the number of electrons in Selenium and Aluminium.
Well, electrons can be transformed to an atomic number, so if SE is 34, that means it has 34 electrons. AI has an atomic number of 13, which means it has 13 electrons. So the difference is that more electrons than AI are available from SE.
Chemical reactions that release energy will not occur without a source of energy. So the answer is release.
