Formulas
Name PCl5
What is phosphorus pentachloride?
What principle states that elements tend to react chemically to achieve a noble-gas electron configuration, whether by losing, gaining, or sharing electrons?
What is the octet rule?
Tends to produce solids that are malleable and ductile
What is metallic bond?
What property is used to predict whether a bond is primarily ionic or primarily covalent?
What is electronegativity?
In what category are the elements boron, silicon, and germanium?
What are semimetals?
What is the formula for sodium sulfate.
What is Na2SO4?
What determines an atom's identity as an element?
What is the number of protons?
characterized by the transfer of electrons from one atom to another
What is an ionic bond?
What type of bond results from the sharing of four electrons?
What is a double bond?
In what category are the elements magnesium, calcium, and barium?
What is alkaline earth metals?
What is the equation for the ideal gas law?
What isPV = nRT ?
What does the uncertainty principle state about the position and momentum of small particles?
What is Position and momentum cannot be precisely measured simultaneously?
Characterized by the sharing of one or more electron pairs between two atoms.
What is a covalent bond?
What is a covalent bond in which the bonding electron pair is pulled closer to the more electronegative element?
What is a polar bond?
In what category are the elements fluorine, bromine, and iodine?
What is halogens?
How long is 2.54 cm in mm?
What is 25.4 mm ?
What is the speed of light in a vacuum
What is 3.00 x 10^8 m/sec?
Type of chemical bond present between atoms in such substances as N2, O2, and CH4
What is a covalent bond?
A molecule of CO2, in which two polar bonds point symmetrically in opposite directions, is ? .
What is nonpolar.
The ? cubic arrangement of atoms in a crystal has the least empty space of any cubic arrangement.
What is face-centered?
What does absolute zero equal in K and C?
What is 0 K and -275.15 C?
The second law of thermodynamics states that the ? of the universe is always increasing.
What is entropy?
Characterized by the sharing of valence electrons with many neighboring atoms, forming a “cloud”or sea" of delocalized electrons permeating the substance
What is a metallic bond?
relatively strong force that exists between molecules that contain hydrogen covalently bonded to a highly electronegative atom.
What are hydrogen bonds.
The outermost electrons in an atom, which are involved in chemical bonding, are called ? electrons.
What are valence electrons?