Covalent polar molecule stronger attractions
Water has a higher boiling point than expected because of the strong attractions
Beryllium, Be, and chlorine, Cl, form a binary ionic compound with a one-to-two ratio of beryllium ions to chloride ions. The formula for the compound is
2 chlorine atoms
In the compound MgCl2, the subscript 2 indicates that
When two atoms of the same nonmetal react, they often form a(an)
2 + charge of iron
The name iron(II) indicates that a compound contains
they are ductile due to the attractions of the sea of electrons with the positive nucleus
Many metals can be drawn into thin wires without breaking because
An alloy that contains mainly iron and carbon is
High melting point, shatters when struck, ionic compound
Describes the properties of sodium chloride?
Electrons in a metal lattice are free to move good conductor of heat and electricity
What is true about metals?
Alkali metals, alkaline earth metals, and aluminum all form ions with positive charges equal to the
You see a structural formula in which the symbols for elements are connected by a long dash. You can assume that the chemical bonds in the compound are
transfer of electrons
The formation of an ionic bond involves the
What compounds do not contain molecules?
and it’s molecule has a bent shape
The water molecule H2O is polar because it contains two polar single bonds
increase from left to right across a period
Ionization energies tend to increase from
water has a higher boiling pt than CO2
Because water molecules are polar and carbon dioxide molecules are nonpolar
Fluorine, F, forms a binary ionic compound with lithium, Li. What is the name of this compound?
a positive -negative attraction
Metallic bonding is similar to ionic bonding because there is
Carbon make the lattice harder + stronger
How does increasing the amount of carbon in steel affect its properties?
2 oxygen atoms
In the name carbon dioxide, the prefix of the second word indicates that a molecule of carbon dioxide contains
Nitrogen triple bonded to itself N=N
What represents a compound whose molecules contain a triple bond? Nitrogen triple bonded to itself N=N
the nucleus and all non-valence electrons
In an electron dot diagram, the symbol for an element is used to represent
The elements most likely to form more than one type of ion are the
One to one ratio
Describe the substance with the formula KI?
The attraction between a metal cation and a shared pool of electrons
Describe a metallic bond?
electrons are not shared equally between atoms
In a polar covalent bond
a stable or happy electron configuration
Typically, atoms gain or lose electrons to achieve
helium, xenon, neon
Name three elements with stable electron configurations
high melting point god conductore in liquids, shatter when struck
helium, xenon, neon