Atom's Structure Flashcards
1
Q
What is the radius of an atom
A
1 × 10^-10 metres.
2
Q
Name the charges and relative mass of the proton, neutron and electron
A
Proton - +1, 1
Neutron - 0, 1
Electron - -1, 1/2000
3
Q
A
X
Z
Label this diagram of an atomic symbol
A
A is the mass number
Z is the atomic number
X is the symbol
4
Q
What are isotopes
A
Forms of an element with the same amount of proton but different amount of neutrons
5
Q
What is an ion
A
An ion is an element that has gained or lost an electron
