The study of the composition, structure, and properties of substances and the transformations that they undergo.
What is Chemistry?
What is solid, liquid, gas and plasma?
Any substance that has mass and takes up space.
What is matter?
A substance that is made of only one kind of atom.
What is an element?
The particles that make up atoms.
What are protons, neutrons, and electrons?
Atoms that are not electrically balanced.
What are ions?
The number of protons contained in an atom of that element.
What is the atomic number?
The seven horizontal rows of the chart.
What are periods?
The vertical columns of the chart.
What are groups or families?
Approximately the total protons and neutrons in an atom.
What is the atomic mass?
The slight variation of neutrons in an element.
What is an isotope?
What is an electron?
Blurred masses surrounding the nucleus.
What is an electron cloud?
Elementary particles that make up protons, neutrons and electrons.
What are quarks and leptons?
The smallest piece of a substance that still has all of the properties of the substance.
What is an atom?
This element is found in chlorophyll.
What is Magnesium?
This element's symbol is Ne.
What is Neon?
Rechargeable batteries are made from this element.
What is Lithium?
Found in a popular breakfast food, it can also give farts their offensive smell.
What is sulfur?
This element is most commonly known as salt.
What is sodium?
If you eat plenty of fruits and veggies, you're probably getting lots of this element.
What is potassium?
Inhaling this element makes your voice sound funny.
What is Helium?
The stars at night are big and bright...because of this element.
What is Hydrogen?
Once upon a time our coins were Au and Ag. Nowadays they're mostly this.
What is Nickel?
Designed by Neils Bohr, it portrays electrons moving around the nucleus in orbitals representing energy levels.
What is The Bohr model?