Atoms
Negativly charged particles
What are electrons?
Periodic is the order of increasing atomic mass.
what does periodic mean?
A chemical formula uses chemical symbols and number.
What does a chemical formula use?
No, silicon is not a nonmetal.
Is silicon a nonmetal?
It is and makes up all the things around us.
What is matter?
The first model was made in 1808.
When did the first atom model come?
They're shiny and conduct well.
What is a metals' properties?
The properties are color change, precipitate formation and odor change.
What are three chemical properties?
Concentration has more reactants.
What does concentration have?
It has a nuetral charge.
What is a nuetron's charge?
It is found in the nucleus.
Where are the nuetrons found?
It stands for barium.
What element does Br stand for?
It is the substances that are in a chemical.
What is a reactant?
Proof that it was there is that it fogs up.
What is proof that a gas is made?
The difference is the number of protons and nuetrons.
What makes an atom different from another?
John Dalton made the atomic theroy.
Who made the atomic theroy?
It is called the atomic number.
What is it called when there's the number of protons?
It states that matter isn't destroyed by chemicals or physical changes.
What does the Law of Conservation of Mass state?
Three are burning, rusting, and the making of an ice-cube.
What are three exothermic chemical reactions?
It's in every living thing.
What is carbon always in?
It's volume is as dense as a grape.
How dense is a nuetrons' volume?
It is similar to a grocery store.
What is the periodic table similar to?
An exothermic reaction.
This happens when a chemical reaction releases energy to its surroundings.
It makes it warmer and speeds a reaction rate up.
How does temperature affect a reaction rate?
It made Noble rich.
What happened when Alfred Noble made dinomite?