An experiment is designed to determine the launch angle that will give a projectile the greatest range (make it go the longest distance). the "launcher" is a slingshot type apparatus that is spring-loaded and released by a trigger. for each trial, the same painted rock is retrieved and launched. measurements are taken linearly from the launch site to the landing site. the trials were done on a windless day. which of the following is the dependent variable? a-the angle of the launcher b-the amount of wind c-how the distance was measured d-how far the rock went

a non redox reaction occurs when there is not a transfer of electrons. for redox reactions, which are reduction-oxidation reactions, a change in the oxidation number occurs. elements that are reduced gain electrons, and elements that are oxidized lose electrons.

explanation:

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

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