Atoms
Who first made the periodic table of elements?
Dmitri Mendelev
Metals are found on the left or right?
left
How many groups are on the periodic table?
18 groups
What is sodium on the periodic table?
NA
What is an isatate?
A type of an element that has one or more neutrons to make it heavier or lighter
how much mass is in a proton
1
What are compounds
Compounds are the comibination of elements
What is the periodic law?
Certain chemical properties recur at regular intervals.
How many electrons go in the first shell?
2
What are groups
columns
How much mass is in a electron?
0
How much charge is in a neutron
Hydrogen has how many protons
1 proton
How many elements are in the periodic table?
118
What are periods
rows
How much mass is in a neutron
1
How much charge is in an electron
-1
What changes the element?
Number of protons
How do you find the charge of an element
The number of protons minus the number of electrons
Carbon has how many protons
6
How can you tell the number of orbital shells?
period (the row)
How much charge is in a proton
+1
When was the periodic table made?
1869
How do you find the weight of an element
The number of protons + the number of neutrons
How many electrons can fit in the ring that is not the closest to the nucleus?