Atomic Structure - Chapter 4

Which is NOT a subatomic particle?

What quantity is always equal to an element's atomic number?

What is the pathway called that electrons travel on?

Which of the following subatomic particles has the smallest mass?

Democritus and Artistotle were both from which country?

Every atom of a given element does not have the same number of

True or False:  Two atoms of the same element can have different numbers of protons.

An ___________ is the pathway around the nucleus that electrons are likely to be found.

The Greek term "atomos", coined by Democritus, means

Which of the following is NOT in Dalton's Theory?

Which subatomic particle has a negative charge?

Which subatomic particle has a positive charge?

A dense, positively charged mass in the center of an atom is the

When trying to predict the locations of electrons, scientists must work with what area of math?

True or False:  Thomson's experiments provided the first evidence of subatomic particles

The term used when electrons have the lowest possible energy is

Earth, Fire, Air, and Water were the four elements found in all matter. So said who?

The smallest particles of matter, considered to be indivisible by Democritus, are the ________.

What does the mass number of an element represent?

True or False:  Two different elements can have the same atomic number

Whose atomic model was called the "Plum Pudding" model?

All oxygen atoms have 8 protons.  How many neutrons are in oxygen 18?

What is an atomic number?