Atoms
Electrons
What are the things that orbit around the Atom?
Chemical symbol
What are the letters that represent and element called?
A rap table
What do we use to help balance equations?
Times an element it by that number
What do brackets do to an element?
Halogens
What are the elements in group 17 called?
No charge
What charge do neutrons charge?
Atomic number
What is the number under the chemical symbol?
So the mass is the same
Why do we balance equations?
What does a subscript tell you?
Alkali metals
What is the most reactive group of metals?
What is the name of the part of an atom that sets off a positive charge?
Atomic number
It creates a new chemical
Why can't we change the subscript?
Times everything inside the brackets by the given number
What do you do if there are elements in brackets?
Alkaline earth metals
What is the group of elements called in group 2?
Negative
What charge does an electron give off?
1 or 2 letters
How many letters does a chemical symbol contain?
Add another of that element
What happens if a substance has an element in it we need to balance?
It's like simple math
Why is counting atoms so easy?
Noble gases
What are the least reactive group of elements?
2,8,8,2
what is the order of how many valance electrons go in each ring?
It can start with a different letter than what it represents
Why do some elements start with a different letter?
Times it to a common multiple
A subscript
What is the little number besides an element?
Metalloids
What group of elements is called the staircase?