S3 Atomic Structure, Bonding and the Periodic Table Flashcards
1
Q
What is an element?
A
A substance in which all the atoms are the same type
2
Q
What is an atom?
A
Has equal numbers of protons and electrons and has a neutral charge overall
3
Q
What is an ion?
A
Has an unequal number of protons and electrons. + ions have more protons and - ions have more electrons than protons
4
Q
What is a molecule?
A
A small group of atoms bonded together with covalent bonding
5
Q
What is a compound?
A
Two or more different types of atom (substance) chemically bonded together
6
Q
What is a metallic bond?
A
The attraction between positive ions and a sea of delocalised electrons
