Atomic Theory w/ Basics

The __________ is equal to the number of protons plus the number of neutrons.

Who made the plum pudding model of an atom?

Whose model is known as the Saturnian Model?

Regions inside an atom where electrons are likely to be found but are not in exact paths.

Where are the protons and neutrons located in an atom?

The exact location and movement of an electron cannot be known with certainty.

The average mass of an element based on its isotopes is referred to as....

An atom is neutral and has 13 protons, a mass number of 32. How many electrons does it have?

How do you calculate the number of Neutrons?

Variation of an element based on mass is a(n)

Which of these is NOT one of Aristotle's elements?

What is the chronological order of the four major contributors to atomic theory?

What is the Atomic Number equal to?

When Bohr revised the model of the atom, what did he add?

Who conducted the gold foil experiment?

Who discovered the neutron?

Whose model is the planetary model?

What are protons?

How many electrons can fit in the 1st and then 2nd energy level respectively?

What major contribution did Rutherford provided to the Atomic Theory?

Dalton's Atomic Theory had the idea that atoms can be split into smaller particles

What are neutrons?

The mass of a proton is _

Who first suggested the idea of the atom?

What is the charge and name of this atom?

An element has 12 protons and a charge of +3.  How many electrons does it have?

Rutherford determined that between the electrons and nucleus there was mostly ______________

Who created the wave equation to model sub-atomic particle movements?

What is the p.e.n. of this atom?

An atom with a positive charge is called a(n) ____.

Who is discovered the electron?

Dalton's Atomic Theory had the idea that all matter is made up of small particles called atoms

A negatively charged atom is called a(n)

An atom that has an overall charge is a(n) ___.

What are electrons?