Describing the Motion of an Object What is the acceleration of the object? Use the information from the graph to answer the question. m/s2 Velocity vs. Time Velocity (m/s) ០ហជីថថថថា 45 40 35 30 25 20 15 10 5 0 0 2 4 6 8 10 12 Time (s) answer 2.5m/s2

C

Explanation:

Chemical formula of any element, chemical or compound contains the symbol of the elements involved, the number of molecules and the number of atoms present as a subscript.

For instance, Nacl is a chemical formula for sodium chloride. The chemical combination of sodium and chlorine. While Hcl is a chemical formula for hydrochloric acid - the chemical combination of hydrogen and chlorine.

According to the question given above,

The symbol of each element in the substance is one of the part of the chemical formula.