Atomic Discoveries
Atomic Structure
More atomic structure
Isotopes
Ions
100

The experiment that proved the "Plum Pudding" Model to be incorrect.

What is the Gold Foil experiment?

100
The charge on an electron

What is -1?

100

What does the number 56 equal in the hyphen notation Iron-56?

 What is Atomic Mass

100

The number of neutrons in S-32.

What is 16?

100

The combination of particles that results in a neutral atom.

What is equal amount of protons and electrons?

200

In Dalton's Atomic theory, he said that all elements consist of ______ that cannot be divided.

What is atoms

200

The location of protons in an atom.

What is the nucleus?

200

Isotopes of the same element have different _______________

What is masses or neutrons?

200

The mass of an atom with 10 protons and 9 neutrons, and 10 electrons

What is 19?

200

This is the other name for a charged atom.

What is an ion?

300

The particle once thought to be "indivisible," or "cannot be cut"

What is the atom?

300

The way to calculate the mass number.

What is atomic number + neutrons?

300

Indicated by a plus sign or a negative sign following an element symbol.

What is charge?

300

The number of protons in an element with a mass of 152 and 89 neutrons

What is 63?

300
The charge when protons outnumber electrons.

What is a positive charge?

400

The experiment that resulted in the discovery of the electron.

What is the Cathode Ray Tube experiment?

400

The mass of the neutron or proton. 

What is 1 amu?

400
The neutral particle in the atom that has equal mass to a Proton.

What is the neutron?

400

The # of neutrons in an atom of Carbon with a mass of 13

What is 7?

400

The number of electrons in the following ion: 

Ca2+

What are 18 electrons

500

The conclusions from the Gold Foil Experiment implied the atom is comprised of 99% ___________

What is empty space?

500

The mass of electrons

What is (massless, zero, no mass)?

500

Where is most of the atom's mass located?

What is in the nucleus?
500

The mass of an isotope of Hydrogen with 2 neutrons?

What is 3?

500

The net charge on an ion that has 9 protons, 11 neutrons, and 10 electrons.

What is negative 1

600

The two types of particles in the nucleus of an atom.

What are protons and neutrons?
600

This is the term to indicate the number of protons in an atom

What is the atomic number?

600

The smallest particle of an element that retains the properties of that element is _______________

What is an atom?

600

This is the subatomic particle that does not change within an atom.

What is protons

600

The number of electrons are in the following ion?

Al-5

What is 18?