Locate each of the following elements in the periodic table; indicate whether it is a metal, metalloid, or non-
metal; and give the name of the element: (a) Ca, (b) Ti,
(c) Ga, (d) Th, (e) Pt, (f) Se, (g)Kr

One or more substances changing into one or more substances is an example of a

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?