What is the smallest part of an element
What is atom
Horizontal rows of the periodic table are called_____
What is Periods
The charge of the electons are ______
What is Negative
How many protons are in Carbon atom
What is 6
What's in the center of an atom
what is nucleus
When 2 or more of the same of different atoms combine
What is a molocule
Vertical columns on the periodic table are called_______
What is Groups
The charge of Protrons are_____
What is Positive
_______ and ____ is the same as the atomic number
What is Protons and Electrons
What Particles surrounds the nucleus
What is Electrons
What is a number written before a chemical formula or equation to show how many molecule are present
What is Coefficient
How many periods on a periodic table
What is 7
_______ _______ is the number of protons found in the nucleus
What is Atomic Number
How do you get the neutrons?
What is atomic mass-atomic number
What do electrons do in the atom
What is Orbit
A substance made up of only one kind of atom is...
What is Element
What elements are on the the left side of the periodic table
What is Metals
____and_____ are found in the nucleus
What is Protons and Neutrons
If the atomic numer of Mercury is 80 and the atomic mass is 201, how many protons are in the nucleus
What is 80
The number of_______________= the number of electrons in a neutral atom
What is Protons
What is a compound
What is A subtance made of 2 or more different elements
Who invented the periodic table
What is Demitri Mendeleev
How many electrons can be on the second and third ring?
What is 8
What is the mass number of an atoms of Sulfur that has 18 neutrons and 17 as the atomic number
What is 35
________ are atoms of the same element but have different numbers of neutrons
What is Isotopes