Definitions
Solving
Identifying
Calculating
Past Test Review
100

This is the relevance of an isotope or rate at which it occurs in nature compared to other isotopes of the same element.

What is Percentage Abundance?

100

This is how many protons a neutral atom with 13 electrons possess.

What is 13? 

100


What is Carbon-14? 
100

This is the units of measurement that atoms of elements are weighed in.

What is Atomic Mass Units (u)? 

100

This subatomic particle determines the identify of an isotope. 

What is Protons? 

200

This measure the amount of subatomic particles in the nucleus of an atom.

 What is Mass Number?

200

An atom has 15 protons and 17 neutrons. What is the name of this element in hyphen notation form?

What is Phosphorus-32? 

200


What is Nitrogen-14? 

200

This subatomic particle is responsible for varying masses of isotopes.

What is Neutrons?

200

A material's ability to be pulled and stretched thin into a wire without breaking. 

What is Ductility? 

300

This measures how much a certain isotope weighs. 

What is Atomic Mass? 

300

An element has 6 protons, 8 neutrons, and 6 electrons. This is the type of element that the isotope is. 

What is Carbon? 

300

An atom has 14 neutrons and 14 electrons. This is the isotope name in hyphen notation.

What is Silicon-28?  

300

RAM of Nitrogen isotopes: 


Nitrogen-14 ... 99.63% ... 14.003 u

Nitrogen-15 ... 0.37% ... 15.0001 u

What is 14.0067 u?

300

This scientists won a Nobel Prize in Physics for his discovery of the charged particle called the electron in the atom. 

Who is J.J. Thomson? 

400

This is a definition for isotopes.

What is "Atoms of the same element with different numbers of neutrons in their nuclei."

400

An atom has 15 protons, 15 electrons, 17 neutrons. This is the relative atomic mass of all elements of this isotope. 

What is 30.974 u? 

400

This is an isotope of Tungsten in hyphen-notation form with 106 neutrons.

What is Tungsten-180?

400

Magnesium isotopes 

Magnesium-24 ... 78.99% ... 23.985 u

Magnesium-25 ... 10.00% ... 24.986

Magnesium-26 ... 11.01% ... 25.982

What is 24.305 u?

400

This group on the periodic table is often shiny and silvery, semi-conductive, and typically unreactive with acids.

What is Metalloids? 

500

The weighted average of masses of all known, natural isotopes of an element.

What is Relative Atomic Mass? 

500

This is the likely mass number of a Carbon isotope with an atomic mass of 13.00335.

What is 13? 

500

This is the name of in hyphen notation of a metalloid that has a mass number of 11.

What is Boron-11?

500

Gallium isotopes 


Gallium-69 ... 60.11%

Gallium-71 ... 38.89%

What is 69.609 u?

500

DOUBLE JEOPARDY: This question is worth double the points. 

This is the Russian scientist that is responsible for the organization of the modern periodic table. 

Who is Dmitri Mendeleev?