Chemistry C1 Flashcards
1
Q
What is the mass, charge and location of proton
A
Charge +1
Relative mass 1
Location nucleus
2
Q
What is the mass, charge and location of neutron
A
Charge 0
Relative mass 0
Location Nucleus
3
Q
What is the mass, charge and location of electrons
A
Charge : -1
Relative mass 1/1850
Location energy shells
4
Q
What is the mass number
A
Number of protons and neutrons
5
Q
What the atomic number
A
Number of protons
6
Q
How do you work put the number of neutrons
A
Mass no - atomic no
7
Q
How many elements are in the periodic table
A
118
92 naturally occurring
26 man made
