Ce Pr Nd Pm Sm Eu 6a Tb Dy Ho Er Tm vo Lu Th Pa u Np Pu Am Cm Bk Cr Es Ma No Lr Write the complete electron configuration for the chlorine atom. Using NOBLE GAS notation write the electron configuration for the fluorine atom. Submit Answer Retry Entire Group 9 more group attempts remaining

Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in order of decreasing size. atoms or ions 2- Se, Se, Br F, CI, CI S, Al, P Explanation atoms or ions in order of decreasing size 0.0.0 0.0.0 0.0.0 Check X 00 G Ⓒ2022 MCGIDw Mill LLC. All Rights Reserved. Terms of Use

The element which has four valence electrons is ________.( A) H B) Na C) Mg D) Si E) S

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What would you predict the charge of an ion from column 1A(or column 1 from ptable) to be? O a 2- Ob 1- 1+ 2+ 0000

esc A Fill in the missing information: symbol. 0 F command O ATOMS, IONS AND MOLECULES Counting protons and electrons in atoms and atomic ions. Explanation @ 2 S W atom or ion? check all that apply ✔neutral atom neutral atom neutral atom Check # 3 E D C cation cation s st cation anion 0 $ 4 anion anion R number of number of protons electrons 0 F 16 V 41 5 % I T G 0 40 6 B || Y We H & Nº 7 3 U N Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use 8 You M 9 K O Me comme

How many valence electrons do the atoms in the circled column have? Hydrogen Neme 1.000 Weight 2 Li Lithium 8.94 11 3 Na Sodium 22.990 19 4 K 37 5 Rb Rubidium 85.465 66 6 Cs Costum 132.91 87 7 Fr Plum Calum 39.090 80076 O O O O O 8 6 88 Ra Franckum Radium (223) (225) 17 2 Atomic Symbol 3 1 4 Be 5 Baryum 9.0122 12 Mg M 24.305 20 Ca 56 Ba Baum 13733 3 38 Sr Strontium trium 38.906 39 Y C Solid Hg Liquid H Gas 21 22 Sc Ti 44.955 Scandium Tanum 47.967 Rf Unknown 40 Zr Zirconium 21.224 72 57-71 Hf Halum 171.49 104 89-103 Rf 10 Raw (267) 41 Nb Nisblum 22.208 6 7 8 9 73 Ta Tentalum 160 95 Alkali metals metals Alkaline earth 24 Cr 23 25 26 Mn Fe V Vanadium Chronun Magese Iron 50.947 $1.936 $4.530 55.345 74 W Tungsten 183.34 Metala Lanthanoids 76 Re Actinoids 42 43 45 Mo TC Ru Rh Volbdenum Technetium Ruthenium Rhodium 25.99 (58) 102.01 101.07 76 Os Orien 19:23 henken 105.31 107 Bh 106 106 Db Sg Dubnium San Rohrian Hvodum (2.701 (277) (258) 1280 108 Hs Transition metal 27 Co Cobalt 77 Ir vidun…

There are only two naturally-occuring stable isotopes of lithium, the masses of which are listed in the table below. Use whatever data you need from the ALEKS Periodic Table to calculate the natural abundance of each isotope and complete the table. Round your entry for "Li to 2 significant digits and your entry for 'Li to 3 significant digits. mass natural isotope x10 (amu) abundance Li 6.0151 7Li 7.0160 Continue Submit Assignment 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility MacBook Air 80 DII DD F11 F19 F2 F3 F4 F5 F6 F7 F8 F9 F10 C@ # $ % & 2 3 4 5 6 7 8 9

#3 An neutral atom hos finuration f an electron con Is°25° 2p2 ge what element is it 5 C.) Ne Py