Scientists
Atomic Structure
Isotopes
Conversions
Random
100

This scientist developed atomic theory. He atomic model was a small, solid sphere.

Who is John Dalton?

100

This is the subatomic particle that has a neutral charge.

What is a neutron?

100

Isotopes are formed when this subatomic particle are added or removed from an atom. 

What are neutrons?

100

There are this many atoms in 1 mol of Carbon?

What is 6.02 x 1023 atoms of Carbon?

100

This is the Disney princess who lost her glass slipper. Hopefully her prince charming will give it back to her soon. 

Who is Cinderella?

200

This scientist developed the plum pudding model of an atom. He also discovered the electron.

Who is JJ Thomson?

200

These two subatomic particles make up the nucleus of an atom.

What are protons and neutrons?

200

The isotope Boron-11 has this many neutrons.

What is 6 neutrons?

200

If you convert 2 moles of Sulfur to grams, you will get this. 

What is 64.1 g of Sulfur?

200

This is the largest country in the world by total land area.

What is Russia?

300

This scientist was the first person in recorded history to suggest a base form of matter. 

Who is Democritus?

300

This is the smallest of the three subatomic particles.

What is an electron. 

300

This is the isotope notation from an element with 67 protons and 85 neutrons. 

What is Holmium-152?

300

If you convert 80 grams of Oxygen, you will have this many moles of Oxygen.

What is 5 mol of Oxygen?

300

This is the only mammal that is known to lay eggs rather than giving birth to live young.

What is the duck billed platypus?

400

This scientist was Rutherford's student. His atomic model is a positive nucleus with electrons circling in fixed orbits. 

Who is Neils Bohr?

400

These subatomic particles will cause a neutral atom to become a positive ion if they are removed. 

What are electrons?

400
The element Silicon has two stable isotopes: Silicon-28 (mass of 28 amu) has a relative abundance of 25% and Silicon-30 (mass of 30 amu) has a relative abundance of 75%. This is its average atomic mass?

What is 29.5 amu?

400

If you convert 123 grams of Uranium to atoms of Uranium, you will have this many atoms.

What is 3.11 x 1023 atoms of Uranium?

400

This amendment to the United States abolished slavery in 1865.

What is the 13th amendment?

500

This scientist conducted an experiment in which they shot alpha particles at a thin layer of Aurum, the latin word for gold. 

Who is Ernest Rutherford?

500

This is the unit we use to measure the radii of a singular atom. 

What is a picometer?

500

Lead has 3 common isotopes. Pb-200 (mass 200 amu) with a relative abundance of 10%, Pb-202 (mass of 202 amu) with a relative abundance of 30%, and Pb-204 (mass 204 amu) with a relative abundance of 60%. This is Leads average atomic mass.

What is 203 amu?

500

If you have 67 grams of H3O, you will have this many moles of H3O.

What is 3.52 moles of H3O?

500

Geographically, this is the state that is closest to Africa. (In a straight line)

What is Maine?

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