Atomic Stucture Flashcards
1
Q
What is the mass and charge if each particle
A
Proton- 1 amu, 0
Neutron-0, 1 amu
Electron- 0, -1
2
Q
Which atoms have similar properties
A
Groups (vertical columns) because they have the same number of electrons in their outer shell
3
Q
What is group 1 of the periodic table
A
Alkaline metals, react quickly with water
4
Q
What group are the noble gasses
A
Group 8. Completely unreactive.
5
Q
What are the 3 particles that make up an atom?
A
Protons, neutrons and electrons
6
Q
What is an isotope
A
Isotopes are atoms with the same atomic number but different mass numbers
7
Q
What is the RAM
A
The relative atomic mass is the average mass of all the isotopes of an element
8
Q
how are electrons arranged?
A
in energy levels. first level has 2, from there they have a maximum of 8
