Given the reaction zn (s) + pb (no3) 2 (aq) = pb (s) + zn (no3) 2 (aq) the oxidation number of zn metal is

Given the statements: a. the salt bridge prevents electrical contact between solutions of half-cells. b. the salt bridge prevents the direct mixing of one half-cell solution with the other. c.

Elephants are valued by some people because their tusks are made of ivory. Although it is illegal, people kill elephants, take the ivory, and sell it to make a variety of objects like jewelry and sculptures.

How do particles make up an atom and what are their locations?

Describe the most likely changes in the size and shape of individual particles of sediment as they are transported sownstream by the battenkill and hudson rivers

1. An atom that has an outer shell that is NOT full is (more likely OR less likely) to be reactive than an atom that has a full outer shell.

Most metals are solid at room temperature, malleable, ductile, good conductors of heat and electricity, and react in acids to produce hydrogen gas. which of the properties mentioned is a chemical property? a. are malleable b. reacts with acids c.

Silver tarnishes when it comes into contact with hydrogen sulfide in the air. physical property or chemical property

When a volcanic irruption adds new rock to existing land and forms new islands is it considered destructive?

How many neutrons are in Cesium-130 (Cs) ? 55 75 130 185

An atom in a pure metal that's face-centered cubic has ___ neighbor atoms.