Formative Assessment - Blue Name: _________________ 1) The two main areas of the atom are the ___________ and ______________. 2) The proton is approximately ____________ times more/less massive than the electron. (fill in the blank and circle either more or less) 3) The proton has approximately more/less/the same mass as the neutron (circle one) 4) The charge on the proton _________________. 5) The charge on the neutron ________________. 6) The charge on the electron _________________. 7) The sum of the protons and neutrons in an atom is called the _________________. 8) The neutral subatomic particle found in the nucleus is the ______________. 9) A particle with very little mass and a negative charge found in the atom is a/an ___________. 10) The neutron has more/less/the same mass as the electron (circle one) 11) If you know an atom’s _____________________ you can identify that atom. 12) Circle all of the following charges that do NOT appear in normal matter? a. +2.2e 13) b. –5e c. +2/4e d. +3/4e e. –4.1e f. –1e The atomic number is: a. the number of protons in the nucleus b. the number of neutrons in the nucleus c. the number of neutrons plus protons 14) The below are atoms. List how many protons are in each: a. Carbon: __________ b. Sodium: __________ 15) Which of the following statements regarding electric charge is TRUE? a) A positive charge repels a negative charge and attracts other positive charges. b) A positive charge attracts a negative charge and repels other positive charges. Element Atomic # Atomic Mass Rounded (this is the most common isotope found on earth) O # of Protons # of Neutrons (most common found on earth) # of Electrons in a neutral atom 8 11 17 In the picture below, label the: 1) 2 main areas of the atom. 2) The 3 subatomic particles in the picture. + a) How many protons does this atom have? _______________ b) How many neutrons does this element have? _______________ c) What element is this? _______________ d) What is the atomic mass of this element? _______________ Effort Score for week of 9/15: Class Notes ____+Attention____+Participation____+Homework____+Studying___ = Total:____ Total Effort Score x 5 = _____ atomic number energy level neutron quantum theory positive electron isotopes nucleus radioactive negative elementary charge atomic mass spectral line spectroscope electron cloud 1 10 100 2000 20,000 neutral north south ion inner shell Atoms Protons ground state excited state energy levels elementary force strong nuclear force charge weak nuclear force atomic number energy level neutron quantum theory positive electron isotopes nucleus radioactive negative elementary charge atomic mass spectral line spectroscope electron cloud 1 10 100 2000 20,000 neutral north south ion inner shell Atoms Protons ground state excited state energy levels elementary force strong nuclear force charge weak nuclear force atomic number energy level neutron quantum theory positive electron isotopes nucleus radioactive negative elementary charge atomic mass spectral line spectroscope electron cloud 1 10 100 2000 20,000 neutral north south ion inner shell Atoms Protons ground state excited state energy levels elementary force strong nuclear force electromagnetic force electromagnetic force electromagnetic force charge weak nuclear force
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