Chemistry Flashcards
1
Q
when did John dalton publish his atomic theory?
A
Dalton published his atomic theory in 1805
2
Q
What are all matters made up of?
A
Tiny particles
3
Q
What are the atoms in an element like?
A
The atoms in an element are identical(including weight) but each element has its own type of atom(contain different mass)
4
Q
How do you describe an atom?
A
Atoms are indestructible and cannot be greater nor destroyed
5
Q
Describe the compounds
A
In compounds each atom of element is always joined to a fixed number of atoms of other elements
6
Q
What happens in a chemical reaction?
A
In a chemical reaction atoms rearrange to make new substances.
