Other random Flashcards
1
Q
Observation
A
Most of the positively charged alpha rays passed through the gold foil without any deflection BUT some deflected at an angle AND very few reflected back
2
Q
Conclusions
A
Most of the space inside the atom is empty
Atoms contain a very small positively charged core called the nucleus
3
Q
What is the law of constant composition (definite proportions)
A
The same compounds will always have the same elements combined in a definite propertionary mass
4
Q
Isotopes
A
Atoms of the same element having SAME ATOMIC NUM but DIFFERENT MASS NUM
5
Q
Cation
A
POSITIVE ION
formed when atoms LOSE electrons
6
Q
Anion
A
NEGATIVE ION
Forms when atoms gain electrons
