Particles Flashcards
What does an atom consist of?
Protons, Neutrons and electrons
What are protons and neutrons known as?
Nucleons
What is the proton number also referred as?
The atomic number
What does the proton number define?
It defines the element
What do neutral atoms have in common
They consist of the same number of protons to electrons
What does the proton number tell you about an element?
It tells you its chemical property
Atoms with the same number of protons but different number of neutrons are called what?
Isotopes
What is the formula for specific charge?
charge/mass
What symbol does the atomic number (proton number) have?
Letter Z
What symbol does the nucleon number (mass number) have?
Letter A
What symbol does the element have?
Letter X
What does the number of neutrons effects?
The stability of the nucleus
What might happen if there is a Unstable Nuclei?
It may decay over time into different nuclei that are more stable
What can Radioactive Isotopes be used for?
To find out how old stuff is, living things contain a percentage of carbon 14 which is taken from the atomosphere.
