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24 Cards in this Set
- Front
- Back
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When the number 98,145 is written in scientific notation, the indicating power of 10 will be
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9.8145 X 10^4
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How many sig figs are in
A: 200. B: 200 C: 405.662 |
A:3
B:1 C:6 |
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What is the equation for converting to Kelvins
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K=C+273
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What is the equation for converting Centigrade to Fahrenheit?
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F=1.8C+32
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True or False: Atoms of two different elements can have the same atomic number
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False
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Which sub atomic particles contribute most to the atom's mass
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Protons and Neutrons
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What part of the atom determines its chemical properties
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The electrons
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What's nu?
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C/lambda
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What does nu represent
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frequency
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what does lambda represent
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wavelength
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What does c represent?
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Speed of light
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The more nm of wavelength the ______ energy there will be
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less
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What is a packet of electromagnetic energy called
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Photons
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What causes an atom to emit color
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releasing of energy
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What is the formula for calculating percent error?
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[(Experimental Value-true value)/Experimental Value]X100
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only certain, discrete values of energy are allowed
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Quantized
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Electron configuration goes by
A: Number of total Electrons B: Number of Valence Electrons |
B
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The Maximum number of electrons that can occupy an energy level described by the principal quantum number n, is:
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2n^2
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The Maximum number of electrons that can occupy any orbital is
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2
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Most of the volume of an atom is occupied by
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empty space
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unequal sharing of electrons in a bond
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polar covalent bond
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a substance that cannot be separated is called what?
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an element
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What kind of mixture is a solution
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homogenous mixture
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what does the electronegativity difference need to be for the bond to be considered ionic
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>2.0
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