Chapter 4: Atomic Structure

This helped to explain line spectra.

Who discovered neutrons?

This is the first model to include atoms of each element having different masses.

Because energy levels are __________, energy emissions come in certain quantities.

Who is used cathode rays in his experiment?

True or false this is the Bohr's model

The electrons in the outermost energy level that are important in bonding are called ______ _____.

Given the isotope notation below, calculate the number of protons.

__________ is determined by weighted averages of isotopes of an element.

Two different isotopes of a single element would have the same number of _____ but a different number of _____.

Who discovered protons?

Who created the Planetary Model of the atom?

According to the Isotope notation below what element is this?

This shows that any sample of water always contains 8 g of oxygen for every 1 g of hydrogen.

This states that it is impossible to know both the energy and the exact position of an electron at the same time.

What was Thomson's model called?

Who is responsible for the idea of three-dimensional orbitals?

Who is responsible for the first experimental atomic model?

A negatively charged ion is called a(n) _________.

Who was the first to refer to matter as being made of discrete particles?

Who is responsible for philosophical atomism?

What does this electron dot diagram show?

Mass number = number of __________ + number of ___________