Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
3 Cards in this Set
- Front
- Back
|
What is atomic number? |
The atomic number of an atom is also known as its proton number. It is the number of protons in the nucleus of the atom |
|
|
What is a mass number? |
Also known as nucleon number, it is the total number of protons and neutrons in the nucleus of the atom. |
|
|
What are the 3 fundamental sub-atomic particles? |
1) Proton 2) Electron 3) Neutron |
