The nuts, bolts, and hinges that attach some gates to a playground fence can be made of iron. the iron can react with oxygen in the air. the unbalanced equation representing this reaction is shown below.
(s) + (g) → (s)
62 balance the equation in your answer booklet for the reaction, using the smallest whole-number coefficients. [1]
63 determine the change in oxidation state for oxygen in this reaction. [1]

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Light waves travel than sound waves.

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.