Ionic Bonds
A bond between a metal and a nonmetal
What is an ionic bond?
A bond between 2 or more nonmetals
What is a covalent bond?
Atoms that have gained or lost an electron, giving them a positive or negative charge.
What is an ion?
When metals lose electrons they form this positive ion
What is a cation?
BaF2
What is barium fluoride?
In covalent bonds electrons are ____________
What is shared?
CO2
What is carbon dioxide?
The compound C2H4 is a ___________ bond.
What is covalent?
When nonmetals gain electrons they form this negative ion
What is an anion?
What is Calcium Chloride?
Gilbert N. Lewis introduced these simple structural diagrams in 1916 that use dots to represent valence electrons in covalent bonds.
What are Lewis structures (or Lewis dot diagrams)
Formula for dinitrogen monoxide
What is N2O
The ionic charge of elements in Group 2A.
What is +2?
The electrons in the outermost energy level of an element's atom
What are valence electrons?
NaO
What is sodium oxide?
This simple gas released when we exhale consists of one carbon atom double-bonded to two oxygen atoms.
What is carbon dioxide CO2?
Formula for Tetraphosphorus decoxide
What is P4O10?
The Greek prefix for 7.
What is hepta?
The rule that states that in forming compounds, atoms tend to achieve the electron configuration of a noble gas, filling their outer shell with 8 electrons.
What is the octet rule?
Al2O3
What is Aluminum Oxide?
The simplest diatomic molecule, consisting of two hydrogen atoms sharing a single pair of electrons, has this chemical formula.
What is H2?
XeF6
What is xenon hexafluoride?
The number of atoms in:
3 Na2SO4
What is 21 total atoms?