Subatomic Particles
Which subatomic particle has a positive charge?
Protons
An element is a substance composed of a single kind of...
Atom
The bold letters on the periodic table represents....
The element symbol
2nd Shell
All electrons have a
Negative charge
To make a molecule, you must have....
Elements
The top number on the element tells you.....
Number of protons and electrons in an element
How many electrons can the 1st shell hold?
up to 2
The electron cloud surrounds the...
Nucleus
What can cause an element to be a solid, liquid, or gas?
The temperature
What is the name of the model that show all the particles in an atom?
Bohr Model
How many electrons can the 3rd shell hold?
Up to 18
Neutrons equals
Neutral charge
Elements are made up of
Atoms
The bottom number on an element tells you .....
The number of protons and neutrons
The electrons in the outermost shell are called?
Valence Electrons
The nucleus contains.....
Protons and neutrons
Bonus: How many elements are there?
118 Elements
Atomic Mass
Bonus: As of now what is the largest amount of shells an element has?
7