Spring Term Flashcards Preview

Chemistry > Spring Term > Flashcards

Flashcards in Spring Term Deck (4)
Loading flashcards...
1

Relative charges

Protons +1
Electrons -1
Neutrons 0

2

How to work out atoms from a periodic table

Bottom number = protons and electrons
Top minus bottom = neutrons

3

Isotope percentages. If you have 75% Cl with mass 35 and 25% of Cl with mass 37 what is the relative mass with 100 Atoms

(75x35)+(25x37)
____________________. =35.5
100

4

The three types of particles in an atom

Protons
Neutrons
Electrons