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 same of different atoms combine

What is a molocule

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