What is an example of a testable scientific question

For each value of the principal quantum number n, what are the possible values of the electron spin quantum number?

One difference between a chemical reaction and a nuclear reaction is that in a nuclear reaction: a) atoms retain their identity. b) only the valence electrons are involved. c) atoms often change from one element to another.

If 50% of radioactive element remains after 4000 years what what is the half life

Which type of stoichiometric calculation does not require the use of the molar mass?

a 22.44 g sample of metal absorbs 180.8 J of hear, upon which the temprature of the sample increases from 21.1 °C to 45.0 °C. what is the specific heat of that metal

Balance the following redox equation in acidic solution using the smallest integers possible and select the correct coefficient for the H + (aq) ion.

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?

A. what are isotopes? b. how are the isotopes of a particular element alike? c. how are they different?

The line of longitude used as the origin in a system of coordinates