Atomic Theory / Periodic Table Review Flashcards
What is the isotopic symbol?
az X
What is the X in the isotopic symbol?
Chemical symbol (Ex. Sodium- Na)
What is A (the top number)
Also the given number
Mass Number
What is Z (the bottom number)
Also the not given number
Atomic Number
What is Mass number?
Protons +Neutrons
The atomic number is the same as…
Protons and electrons
Which two are the same in neutral atoms?
Protons+electrons
Where is the atomic mass located?
Under the name of the element
(Also the number next to the given element)
How to find neutrons in an element with protons and electrons
Take atomic mass and subtract the number of protons
What is an orbital diagram?
The 1s, 2s, 2p, but with the arrows
What is electronic configuration?
The 1s, 2s, 2p without the arrows
Which way does atomic radii get bigger?
Left and down
In which way does electron affinity and electronegativity get bigger?
Right and up
What is an electron?
A negatively charged particle located outside of the nucleus
What is a proton?
A positively charged particle located in the nucleus
