Classify each of the following equations as synthesis, decomposition, or replacement.

a. CaCO₃ → CaO + CO₂

b. 2 Na + CI₂ → 2 NaCI

c. Mg + CuSO₄ → MgSO₄ + Cu

What mineral is this. Nearly rectangular in shape and approximately 5 cm by 7 cm in size. Blackish in color with a shiny but nonmetallic luster. Peels off in very thin, flexible sheets and crumbles rather easily.

Complete the chemical change. Na → Na+ a.) 2e- b.) proton c.) 1e-

45. most abundant metal in the earth's crust 46. first discovered in light coming from the sun

Why is the concentration of iodine so much lower than other reactants like acetone and HCL?

What is suspension in chemistry

A burning match is an example of a chemical change phase change nuclear change physical change

The table below shows the shapes of two samples, C and D, when placed in three containers of different shapes.

How many grams of KCl are produced when 60 grams of K are reacted?

Whats a solution! people

How do compounds affect an atom's stability