Chapter 3 and 22

What is a nucleon?

What key measurement did Dalton include in his experiments that Democritus did not?

Once scientists found the electron they immediately began searching for what particle, since atoms are neutral?

Which of these conclusions was NOT a part of Dalton's Atomic Theory

How can I find an isotope's mass number?

Which number identifies an element?

What are atoms of the same element that have different masses?

The amount of energy required to break apart a nucleus is called...

What is the mass of an electron?

The mass lost in nuclei formation is...

In the cathode ray tube experiment, the ray seemed to move away from the negatively charged metal plate, therefore:

Which law states that mass is neither created nor destroyed during normal chemical reactions?

The higher the nuclear binding energy, the higher the stability of the nucleus.

What did scientists conclude from the Cathode Ray Tube?

What is the range of values for neutron-to-proton ratios called in which a nuclide is stable ?

Which law states that a chemical compound contains the same elements in the same proportions every time?

Mass Defect in a nuclei formation is.....

Iron has the most stable nucleus of all known elements

Small deflections were to be expected in Rutherford's gold foil experiment.

The wheel placed in front of the ray in the cathode ray tube was meant as a way to see if the ray contained....

Rutherford concluded that the nucleus of an atom is a large, positively charged center of the atom.

Democritus lived before Dalton's time

What is Avogadros Number?

If I wanted to find the percent by mass, I would divide the mass of the element by the mass of the _____________.