The neutrally charged parts in an atom
What are neutrons?
The man who created the periodic table
Who was Dmitri Mendeleev?
This is because it's hard to keep in the container, because it can change shape and volume.
Why is it hard to prove gases to the Law Of Conservation Of Mass?
A reaction that changes the chemical and physical.
What is a chemical reaction
Atoms are the smallest building blocks of all matter
What are atoms?
The second group of The Periodic Table
What are Halogens?
You can weigh all of the materials.
How can you prove this law?
A reaction that can be reversed.
What is a physical reaction?
The difference between different elements.
What are protons?
The most bottom period of the periodic table.
What are lanthanides?
These are called atoms.
What is all matter/everything made up of?
A chemical reaction that releases heat.
The man who founded the atomic theory.
Who was John Dalton?
What is the atomic number?
The Law of Conservation of Mass states "That no matter can be created nor destroyed"
What is The Law of Conservation of Mass?
A chemical reaction that absorbs heat.
What is an endothermic reaction?
The man who created the periodic table
Who was Dmitri Mendeleev?
You subtract the atomic number from atomic mass
How do you find the amount of neutrons?
The man who discovered The Law of Conservation of Mass
Who was Antoine Laurent Lavoisier?
A reaction that can be repeated.