Atoms, Isotopes And Ions Flashcards
1
Q
What is the charge and mass of each sub-atomic particle?
A
Proton: Charge- positive/+1 Mass 1 Electron: Charge- negative/-1 Mass 0 Neutron: Charge- neutral/0 Mass 1
2
Q
What is the atomic number?
A
Number of protons
3
Q
What is mass number?
A
Number of protons and neutrons
4
Q
What is an atom?
A
The smallest part on an element that can exist
5
Q
What is an isotope?
A
Forms of the same element that have the same number of protons but different numbers of neutrons
6
Q
What are threes isotopes of hydrogen?
A
Hydrogen
Deuterium (hydrogen -2)
Tritium (hydrogen -3)
7
Q
What is an ion?
A
A charged particle that has either lost electrons or gained electrons
8
Q
What makes up a neutral atom?
A
Has the same number of protons and neutrons in the nucleus as they have electrons orbiting in the energy levels around the nucleus
9
Q
How to atoms lose or gain electrons?
A
Collisions
