Basic Definitions Flashcards
1
Q
What’s an element?
A
Substance in which all the atoms are the same type.
2
Q
What is an atom?
A
Protons and electron numbers are equal - neutral charge overall
3
Q
What’s an ion?
A
Protons and election numbers are unequal.
+ Ions have more protons than electrons
- ions have more elections than protons
4
Q
what’s an isotope?
A
Particles with the same atomic number but different mass numbers.
5
Q
What is a molecule?
A
A small group of atoms covalently bonded together.
6
Q
What does Monotomic mean?
A
Atoms are not bonded to anything - group 0
7
Q
What does diatomic mean?
A
Exist as a pair of two atom molecules.
8
Q
What’s a compound?
A
2 or more different types of atom chemically bonded together
