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Vocab
Periodic Table
The Nucleus
Atomic Number and Atomic Mass
All About Atoms
100
What is the smallest part of an element
What is Atom
100
Horizontal rows of the periodic table are called_____
What is Periods
100
The charge of the electons are ______
What is Negative
100
How many protons are in Carbon atom
What is 6
100
What's in the center of an atom
What is nucleus
200
When 2 or more of the sam of different atoms combine
What is Molecule
200
Vertical columns on the periodic table are called_______
What is Groups
200
The charge of Protrons are_____
What is Positive
200
_______ and ____ is the same as the atomic number
What is Protons and Electrons
200
What Particles surrounds the nucleus
What is Electrons
300
What is a number written before a chemical formula or equation to show how many molecule are present
What is Coefficient
300
How many periods on a periodic table
What is 7
300
_______ _______ is the number of protons found in the nucleus
What is Atomic Number
300
How do you get the neutrons?
What is atomic mass-atomic number
300
What do electrons do in the atom
What is Orbit
400
A substance made up of only one kind of atom is...
What is Element
400
What elements are on the the left side of the periodic table
What is Metals
400
____and_____ are found in the nucleus
What is Protons and Neutrons
400
If the atomic numer of Mercury is 80 and the atomic mass is 201, how many protons are in the nucleus
What is 80
400
The number of_______________= the number of electrons in a neutral atom
What is Protons
500
What is a compound
What is A subtance made of 2 or more different elements
500
Who invented the periodic table
What is Demitri Mendeleev
500
How many electrons can be on the second and third ring?
What is 8
500
What is the mass number of an atoms of Sulfur that has 18 neutrons and 17 as the atomic number
What is 35
500
________ are atoms of the same element but have different numbers of neutrons
What is Isotopes