Unit 6: Chemical Bonding

when magnesium gets the same electron configuration as Ne it has __ charge

+2

______ is the only noble gas with 2 valence electrons

Helium

________ is the only element in group 1 to bond covalently

Hydrogen

molecules with 5 atoms, like CH4, will have a ___________ shape

Tetrahedral

Ionic compounds are made up of ________, which are very large structures consisting of alternating + and - ions

crystals

a double covalent bond consists of ____ shared electrons

four

atoms in group 15 will ____ three electrons

gain

in ionic bonding, the two ways atoms can get the same configuration as a noble gas is by ______ or _____ electrons

gaining or losing

the 2 types of bonding are _____ and _______

ionic and covalent

AR and CL-1 have the same electron configuration, so they are ______________ with each other

isoelectronic

metals are _________, which means they can be hammered into different shapes

malleable

the _____ ____ says that most atoms want 8 electrons in their outermost shell

octet rule

sodium wants to lose ___ electron to become isoelectronic with neon

one

in a _____ covalent bond, electrons are shared unequally.

polar

when atoms lose electrons they get a ___________ charge

positive

the difference between the trigonal planar and pyramid shapes is that the _______ shape has an unshared pair of electrons on the central atom

pyramid

in covalent bonding, atoms _____ electrons

share

a ______ covalent bond consists of 2 shared electrons

single

molecules with a trigonal bipyramid shape have a total of ___ atoms in the molecule

six

ionic compounds will not conduct an electric current in the _____ state

solid

when nitrogen bonds covalently it will make a total of _____ bonds

three

the electrons in an atom's outermost shell are called its _________ electrons

valence

the VSEPR theory stands for the ___________________________________ theory

valence shell electron pair repulsion

I-1 has the same electron configuration as the noble gas _____

xenon