C4 - The periodic table and covalent bonding Flashcards
1
Q
What is covalent bonding?
A
Non-metals combine together by sharing electrons.
2
Q
What is ionic bonding?
A
Transferring electrons between metals and non-metals.
3
Q
What does the group of an element represent?
A
The group number is the same as the number of electrons in the outer shell.
4
Q
What does the period of an element represent?
A
The number of shells the element has.
5
Q
Why does carbon dioxide have a low melting point?
A
This is because the molecule has weak intermolecular forces between them so they are easy to separate.
