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Unformatted text preview: 2. Use the attached period table. What is the atomic number of sodium: _11__ What is the mass number of sodium:_22.99___ Name the group to which sodium belong:__ _alkali metals_____________ For an atom of Na-24, how many neutrons are present:__13__ How many protons are present:_11___ How many electrons are present:__11__ (6pt) 3. What is the amplitude and wavelength of the following wave? If the wave is traveling at 10 m/s, what is its frequency? (7pt) Amplitude:____6_____cm_ __ Wavelength:___10_____cm_ __ Frequency :____100_____hz_ __ 4. True false: (5pt) _T__ Nitrogen is one of the pnictogens. _T__ Microwave radiation has longer wavelength than ultraviolet radiation. _F__ Green light has longer wavelength than red light. _F__ Millikans experiment determined the mass of a proton. _F__ In Rutherfords experiment, alpha particles were deflected by the electrons orbiting the platinum atoms. PERIODIC TABLE OF THE ELEMENTS...
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