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phys 2&3 cont

QuestionAnswer
Conduction The transfer of heat through a material by touching.
Convection The mechanical transfer of hot molecules in a gas or liquid from one place to another.
Infrared Transfered heat by radiation
Ionic Bonding Bonding that occurs because of an electrostatic force between ions
Covalent Bonding A chemical union between atoms formed by sharing one or more pairs of electrons
Centripetal Force Force that keeps an electron in orbit
Centrifugal Force Force that causes an electron to travel straight and leave the atom.
Difference between Atomic Mass & Atomic Number Atomic Mass is the number of combined protons and neutrons Atomic Number is the total number of neutrons
Meaning of the Group Number in the PT of Elements The group number is an identifier used to describe the column of the standard periodic table in which the element appears
Scalar Quantity quantity or measurement that only has magnitude
Vector Quantity Quantity or measurement that has magnitude, unit, and direction
State the units of Mass, Length, Energy, Work and Time in the SI mass-kilogram length-meter time-seconds work-Joules energy-Joules
Describe the charge & mass of an electron A negative charge (-1) and the mass of 9.109 x 10^-31 kg
Define Isotope Atoms that have the same atomic number but different atomic mass numbers
Created by: zlangdon
 

 



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