Fun
Magnesium has __ valence electrons
2
Is a molecule with polar bonds always a polar molecule
no
Do Lewis dot diagrams of ionic compounds show distinct molecules or ratios of ions
ratios of ions
Is shape affected by bonded pairs of electrons
yes
Does shape affect the function of a molecule
yes
An atom with low electronegativity will become a(n)
cation
Covalent molecules have stronger or weaker attraction between each other than ionic molecules
weaker
Electronegativity __ going from left to right
increases
Stronger ionic bonds have a large or small deltaEN value
large
Covalent bonds typically form between
2 nonmetals
As atoms get closer to their octet does their electronegativity increase or decrease
increase
Do all substances composed of carbon have the same properties
no
covalent compounds exist as (arrays of ions or isolated molecules)
isolated molecules
Atoms that form ionic bonds have __ electronegativities
different
Do Lewis dot diagrams of covalent compounds show distinct molecules or ratios of ions
distinct molecules
most metals have __ valence electrons
1-2
ionic compounds exist as (arrays of ions or isolated molecules)
arrays of ions
how many valence electrons does oxygen have
6
covalent compounds are typically good (conductors or insulators)
insulators
Most metals are __ which means that they can be hammered into thin sheets
Malleable
Are ionic compounds (sometimes/ always/ never) good conductors of electricity
sometimes
Most metals are __ which means they can be drawn into thin wires
ductile
What type of compounds form electrolytic solutions
ionic
how many valence electrons does chlorine have
7
Electron affinity __ going from top to bottom
decreases