Atomic Models
Elements and Symbols
Fun Facts
Element Properties
Periodic Table Structure
100

"What is the name of the smallest particle of an element?"

Atom

100

"What is the chemical symbol for Oxygen?"

O

100

"This element is named after a planet."

Uranium

100

"This gas is essential for human breathing."

Oxygen

100

"What is a vertical column on the periodic table called?"

Group

200

"Which subatomic particle has a positive charge?"

Proton

200

"Which element has the symbol 'Na'?"

Sodium

200

"This element is used to make balloons float."

Helium

200

"This element is a liquid metal at room temperature."

Mercury

200

"What is a horizontal row on the periodic table called?"

Period

300

"What is the center of an atom called?"

Nucleus

300

"What is the chemical symbol for Gold?"

Au

300

"This element is named after Albert Einstein."

Einsteinium

300

"This element is known as the lightest metal."

Lithium

300

"How many periods are on the periodic table?"

Seven

400

"Which atomic model introduced the idea of electrons orbiting the nucleus?"

Bohr Model

400

"Which element has the symbol 'Fe'?"

Iron

400

 "Who created the first periodic table?"

Dmitri Mendeleev

400

"This element is used in batteries."

Neodymium

400

"What do we call elements that have properties of both metals and non-metals?"

Metalloids

500

"What theory states that it is impossible to know both the position and momentum of an electron simultaneously?"

Heisenberg Uncertainty Principle

500

"What is the symbol for the element Mercury?"

Hg

500

"Who discovered the electron?"

J.J. Thomson

500

"This element’s name means ‘hidden’ and is used in lamps."

Krypton

500

"What are the elements in Group 18 called?"

Noble Gases