The direction of heat flow is increased which means blocks temperature is higher and hotter than it was before
Answer:
Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og)
Explanation:
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Answer:
16g of oxygen reacts with 2 g of hydrogen to form 18g of Water
A polyatomic ion.
Examples: Sulfate, Sulfite, Nitrate, Nitrite...