What is it called when an atom completes its outer shell of electrons (8) ?

When comparing the two elements cd and ge, the larger element is based on periodic trends alone?

How do atoms form ions

If 3 moles of a compound use 24 J of energy in a reaction, what is the A Hreaction in J/mol?

If HNO3 were dissolved in water, it would act as what?

Weight and mass are essentially the same measurements. True or false?

Under the Implied Consent law, which of the following is true? A. Your driving privileges will be suspended if you refuse a chemical test to measure your alcohol level. B.

If 0.366 g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained

A substance that does not conduct electricity as a solid but does conduct electricity when melted is most likely classified as (1) an ionic compound (2) a molecular compound (3) a metal (4) a nonmetal

A conical, flat-bottomed flask with a narrow neck that can be used for heating, mixing, watching reactions, and swirling, not for measuring

Answer 1. the law of conservation of mass states that mass is neither created nor destroyed in an ordinary chemical reaction. when an iron nail rusts, it seems to get heavier in mass. does the iron nail follow the law of conservation of mass?