C.1 Atomic structure Flashcards
1
Q
What is a molecule?
A
Two or more atoms joined together
2
Q
What joins molecules?
A
Bonds
3
Q
What is the atomic number?
A
Number of protons
4
Q
What is the mass number?
A
Number of protons + number of neutrons
5
Q
What is an isotope?
A
An element with same number of protons and electrons but a different number of neutrons
6
Q
What is an ion?
A
Charged particle, formed when an atom gains or loses an electron
