Science Benchmark Study Guide (Atoms & Periodic Table)
Terms in this set (27)
Nucleus and orbitals
The two parts of an atom
Subatomic particles with a positive charge. They identify an element
Subatomic particles that has a neutral charge. They add mass to the atom
Subatomic particles with a negative charge. They are in charge of bonding
The outer most electrons
1st shell has...
2nd shell has...
3rd shell has...
Reactive atoms have _______________________________
The charge an atom has
4 or less
Atoms want to give away electrons if they have __________________________ electrons in their outer shell
5 or more
Atoms want to take electrons if they have ___________________________ electrons in their outer shell
The number of protons or electrons in a ground state atom
The number of protons and neutrons of an atom
What does the Fe represent?
Materials have different __________________ due to the way its atoms are arranged and spaced
Lewis dot diagram
The number before an element symbol in a chemical equation
A symbol showing how much of an element there is
Subatomic particles can be further broken down into these smaller particles
The periodic table
The table showing the organization of all elements
The group of elements all found in the same column
The group of elements all found in the same row
A change that does not affect the element's chemical format. Once it is changed, it can be brought back again
A change that affects an element's chemical format. Once the element has changed, it cannot be brought back