Atomic Structure and the Periodic Table Crossword

The "outer energy shell" of and atom
Electrons are "shared" in this type of bond.
Electrons are "stolen" in this type of bond.
The smallest unit of matter with all the properties of that substance.
This matches the number of protons in an atom.
A neutron has a ___________________ charge.
"Like" electric charges ____________________ each other.
A combination of one or more atoms.
The location around the nucleus where electrons orbit.
A charged particle.
A "Family" of elements that do not typically react with other elements.
The "Family" of elements that are very reactive.
Characteristics that are measurable or observable are called physical _____________.
Subtract the atomic number from the atomic mass to find the number of _________________.
Electrons have a ______________________ charge.
Protons have a _________________________ charge.
An abreviated way to name an element.
Other than hydrogen and helium, the number of electrons needed to fill the valence shell.
The center of an atom where the protons and neutrons are located.
An element that can have a variable number of neutrons in its nucleus.
Atoms with full outer energy shells are known to be _______________.
A group of elements with similar properties are known as a _________________.
Reactivity is a ______________________ property.
The elements are organized into this grid.
When elements react they form new _____________________.
This element is found in all organic matter and has four valence electrons.
NaCl is the ___________________________ for salt.
Each ___________________ on the periodic table represents the number of valence electrons in an element.
Each __________ on the Periodic Table represents the number of "energy levels" an element has.
The "electronic connections" between elements in a molecule.