The combustion reaction of magnesium results in what compound?

a. MgCl2

6. MgCl4

c. MgO

d. Mg2O3

1 km is equal to 100 m 10,000 dm 1,000 mm 1,000 cm

Lisa wrote the following steps in the formation of metamorphic rocks. Step 1: Rocks pushed up onto Earth's surface due to movement of tectonic plates Step 2: Rocks experience extreme heat and pressure Step 3: Mineral composition of rocks changes

How positive charge affect ionization energy

The empirical formula of a compound is NO2. Its molecular mass is 9.2g/mol. What is its molecular formula?

How can you tell if a compound is a solid, liquid, gas, or aqeous.

What was concluded about the structure of the atom as the result of the gold foil experiment? (1) A positively charged nucleus is surrounded by positively charged particles. (2) A positively charged nucleus is surrounded by mostly empty space.

Andre is predicting the products of chemical reactions. In one reaction, a hydrocarbon is the only reactant. What is the best prediction and explanation of this reaction? Two new compounds form as the hydrocarbon undergoes a synthesis reaction.

What evidence is there that electrons move around in definite pathways around the nucleus? What evidence is there that electrons m

Are greenhouse gases good for us?

How to convert metric units?