Chemistry Flashcards
What is an atom?
An atom is the smallest part of an element
Who discovered the atom?
John Dalton
Is the atom considered INDIVISABLE?
No
What are the parts of the atom
Proton, Neutron and Electron
What is the unit mass, charge and founder of the proton?
a. 1 unit
b. positive
c. Ernest Rutherford
What is the unit mass, charge and the founder of the neutron?
a. 1 unit
b. no charge
c. James Chadwick
What is the unit mass, charge and founder of the electron?
a. 1/1840
b. negative
c. J.J Thompson
What is Electronic Configuration?
This is the distribution or arrangement if electrons in their various shells.
What is the maximum number of K-shell?
2 electrons
What is the maximum number of the other shells?
8 electrons
What is the formula for mass number?
Mass no.= Proton no. + Neutron no.
How does Neon go into octet state?
When the L-shell is filled up.
