The identity of an element depends on the number of

O

electrons in the atom.

O protons and neutrons in the nucleus.

O

protons in the atom.

O

neutrons in the atom.

Are noble gases the only stable elements in periodic table and why

Why should a new splint be used for each compound?

Static charges flow continuously true or false?

Which two elements have the same number of valence electrons? Na and Sr Zr and H O and S Mg and P

Ammonia produces an alkaline solution when dissolved in water because ammonia a. is an acid. b. does not contain oh - ions. c. is almost insoluble in water. d. produces oh - ions when it dissolves.

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?