Fundamental Ideas Flashcards
1
Q
What’s a compound
A
A mix of elements
2
Q
Ionic bonding occurs between what two elements
A
Metal + non-metal
3
Q
What’s ionic bonding
A
Depending on the charge of the atom the opposite charged element will be strongly attracted. If there’s mg2+ reacting with cl1- there will need to be 2 X Cl to form an ionic bond. Creating the formula MGCL2
4
Q
What’s covalent bonding
A
Occurs between 2 non metals
The bonds share electrons to gain full outer shells
5
Q
In a reaction are new atoms created? And does the mass change?
A
No and no
6
Q
Should you change the small numbers when balancing an equation?
A
No
