1) 199F  what is number of protons, electron and neutrons 2) 13Al what is number group and period? 3) what is the symbol of Sodium, Potassium.  4) what is the symbol of Sodium, Sulfur and Silicon  5) which element that have 1 proton, 1 electron and zero neutron. 6) what the nucleus of an atom contains? 7) draw a diagram for atomic structure of the carbon atom 8) 9F, 16S, 11Na , 10Ne which two atoms have 3 electron shell around the nucleus? 9) 9F, 16S, 11Na , 10Ne which atom found in group 1? 10) 9F, 16S, 11Na , 10Ne which atom have 6 electrons in the last shell? 11) what is the symbol of potassium and phosphorous. 12) what is the symbol of carbon, calcium and chlorine. 13) SULFUR atom, its atomic number is 16 and atomic mass is 32. Do they have same number of neutrons and proton? 14) Neon atom, atomic number is 10 and atomic mass is 20, how many neutron it has? 15) Electronic configuration for 19K 16) Electronic configuration for 20Ca 17) Electronic configuration for 4Be 18) Electronic configuration for 18Ar 19) 6C, 10Ne, 4Be, 8O Which element with most protons in atom?  20) 2,3 to which group this element in the periodic table? 21) 2,8,3 how many proton does this atom have? 22) 2,8,4 to which period this element in the periodic table? 23) 2,8,8,1 to which period this element in the periodic table? 24) 2,8,8 to which period this element in the periodic table? 25) 2,8 to which period this element in the periodic table? 26) 2,8,8,1 to which group this element in the periodic table? 27) 2,8,8,1 how many proton does this atom have? 28) 2,8,8,1 how many electrons does this atom have? 29) 2,3 to which period this element in the periodic table? 30) 2,3 how many proton does this atom have? 31) 2,3 how many electrons does this atom have? 32) draw a diagram for atomic structure of the sodium atom 33) draw a diagram for atomic structure of the hydrogrn atom 34) draw a diagram for atomic structure of the oxygen atom 35) what is particle in atom with negative charge? 36) what is particle in atom with postive charge? 37) what is particle in atom with no charge? 38) Electronic configuration for 11Na 39) Electronic configuration for 17CL 40) Electronic configuration for 12Mg

Chemistry

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