Elements and Atoms
These are small positive charged particles in the nucleus of an atom
What is a proton?
these electrons have the highest energy level and are held most loosely
What are valence electrons?
this is the chemical bond formed when two atoms share electrons
What is a covalent bond?
What is an ion?
a material made of two or more elements that has properties of a metal
What is an alloy?
What is a neutron?
This includes the symbol for the element surrounded by dots
What is an electron dot diagram?
a neutral group of atoms joined by covalent bonds
What is a molecule?
this tells you the ratio of elements in the compound
What is subscript?
able to be rolled into thin sheets
What is malleable?
What is an atom?
What is a chemical bond?
when two atoms share two pairs of electrons
What is a double bond?
this is a compound that consists of positive and negative ions
they can be easily and pulled into thin strands or wires
What is ductile?
this is a pure substance made of 2 or more elements chemically combined in a set ratio
What is a compound?
this is the number of protons in the nucleus of an atom
What is the atomic number?
a covalent bond in which electrons are shared unequally
What is a polar bond?
a combination of symbols that shows the ratio of elements in a compound
What is a chemical formula?
this is an attraction between a positive metal ion and the electrons surrounding it
What is a metallic bond?
this is the central core of an atom containing protons and neutrons
What is a nucleus?
these are elements in the same vertical column of the periodic table
What is a group or family?
a covalent bond in which electrons are shared equally
What is a nonpolar bond?
this is a three dimensional arrangement that ions form
What is crystal?
Sodium Chloride expressed as a compound
What is NACl?