What part of an atom has no charge?
What is a Neutron?
What is the sum of protons and Neutrons.
What is the atomic number of Sulfer...
What is 16?
When atoms come together they create ....
What is a molecule?
The number of ______ determine how reactive an element is.
What is an electron?
The area outside the nucleus...
What is the extranuclear region?
Elements are listed in order by the this on the periodic table?
What is Atomic Number?
How many periods are in the periodic table...
What is 7
Give me 2 examples from class of a molecule.
What is H2O, O2, NACL ( salt), N2, C6H12O6 ( glucose)
If Nitrogen atom lost a proton what would happen?
The Neutron was discovered by ..
Atoms that gain a neutron are called...
Periodic tables are divided into two parts...
What is groups and periods
The word molecule is also a measure of the amount _____you have.
What is Atom?
What element is in the 6th period, group 18?
What is Radon?
What was discovered first protons or neutrons?
When an atom looses or gains an electron what happens?
Each box on the periodic table contains?
What is a chemical symbol, atomic weight, and atomic number?
Molecules come in one size T or F
What is False?
An atom can have upto ______ shells.
What s 7 shells?
Where are low energy electrons located?
What is closest to the nucleus.
When an element looses this it becomes a new element.
What is proton?
The periodic table was created what year?
What is 1869?
These are important for establishing bonds with atoms.
What is an electron?
What chemist created the framework for the modern periodic table...
Who is Dmitri Mendeleev