chapter 3w Flashcards
w
1
Q
What is an atom
A
smallest particle of an element
2
Q
Relatiove mass and chrge of proton neutron and electron
A
proton: 1, +1
neutron: , 0
electron: 1/1840 -1
3
Q
Nullicide notation
A
on top - nucleon
below - proton
4
Q
Properties of elements in same group
A
same chemical properties
5
Q
How is periodic table arranged
A
elements arranged on increasing proton numbers
6
Q
What are isotopes
A
same number of protons but diff number of nuetrons
7
Q
similarity of istopes
A
same electron shells
valence electrons
8
Q
How to calculate relative atomic mass
A
( mass number x isotopic abundance)
