Keywords
Anything that has mass and takes up space.
Matter
What is a chemical symbol?
A neutral atom of Fluorine has 9 protons, so this must also be true of that atom because it is neutral.
What is "has 9 elections?"
What is 9?
The negatively charged element in an atom. Nearly weightless.
What is an electron?
The smallest unit of matter.
What is an atom.
A compound containing two atoms of hydrogen for every one atom of oxygen.
What is water?
The electrons in an atom move - a lot. If in large amounts, that movement can create a current of this.
What is electricity?
If someone tells you that this element has an atomic number of 9, you now know that it has 9 of these.
What are protons?
What are states of matter?
The center of the atom. It contains nearly all of its mass.
What is the nucleus.
Oxygen has an atomic number of 8 because it has 8 of these in its nucleus.
What are 8 protons?
A nuclear bomb results from a chain reaction of splitting this apart.
What is an atom?
What is hydrogen?
The positively charged element in the nucleus of an atom.
What is a proton.
This atom of hydrogen is written as H+ because it is missing one of these.
What is an electron?
What is a mixture?
Look for document to find out what elements exist in nature.
What is the Periodic Table?
This element is highly sought after for its value and has the chemical symbol Au.
What is gold?
The neutrally charged element in the nucleus of an atom.
This number is found by adding up the number of protons and neutrons in the nucleus of an atom.
What is the mass number?
Components in this are unable to be broken apart without a chemical reaction.
What is a compound?
Often confused with mass, this measurement is how much pull gravity has on your body.
What is weight?
The elements in the Periodic Table appear in the order of this.
What is atomic number (or the number of protons in an element)?