Compounds Flashcards
0
Q
What happens to the atoms when elements react to make a compound?
A
The atoms re-arrange making new bonds
1
Q
What is a compound?
A
The chemical bonding of two or more different elements
2
Q
During a chemical reaction, what is significant about the number of atoms?
A
The total atoms present before the reaction is equal to the total number of atoms after the reaction
3
Q
What does a chemical equation tell us? (4 points)
A
- the names of the chemical reactants
- how many atoms are present
- how much of each reactant and product is involved
- the physical state of each reactant and product
4
Q
What does space-filler diagrams show us?
A
The arrangement of atom in a simple molecule
