when such a conversion occurs at the surface of a liquid that is boiling, the process is called?
What is evaporation
100
The rate of effusion of a gas is inversely proportional to the square root of the gases molar mass.
What is Graham's law of effusion
100
only the valence electrons are shown in the drawn structure
What is electron dot structures
100
in a solution, the dissolving medium is called the?
What is solvent
100
positive ions
What is cations
200
Each carbon atom in the interior is strongly bonded to the four others, creating a rigid compact array (hint: hardest known material)
What is diamond
200
Put electrons into the atomic model
What is J.J. Thompson
200
____________ __________ of an ion is the number of ions opposite charge that surrounds the ion in the crystal
What is coordination number
200
________________ of an element is the tendency for the atoms of the element to attract electrons when they are chemically combined with atoms of another element.
What is electronegativity
300
the accurate and precise measurement of heat change for chemical and physical processes.
What is calorimetry
300
Light quanta are also called
What is photons
300
are chemical formulas that show the arrangement of atoms in molecules and polyatomic ions.
What is structural formulas
300
the number of electrons in the highest occupied energy level of an elements atom
What is valence electrons
400
for systems at a constant pressure, the heat content is the same as the property called?
What is enthalpy
400
created periodic table
What is Dmitri Mendeleev
400
a covalent bond in which one atom contributes both bonding electrons is called?
What is coordinate covalent bond
400
consist of the attraction of the free floating valence electrons for positively charged metal ions
What is metallic bonds
500
a measure of how much the volume of matter decreases under pressure.
What is compressibility
500
negative ions
What is anions
500
the inward force, or pull, that tends to minimize the surface area of a liquid is called?