Asynthesis reaction can be identified because it only has pure elements on the left side of the arrow and compounds on the right side of the arrow. true false

False

Explanation:

Element is a pure substance which is composed of atoms of similar elements.It can not be decomposed into simpler constituents using chemical reactions. Example: Hydrogen

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions. Example: water

Synthesis reaction is a type of reaction in which multiple reactants combine to form a single product.Compounds can also combine to give other compounds as in the given reaction:

Thus the statement is false.

lol for the pointsss

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.