Use the pictures below to the answer question. 2 3 5 Choose the two elements located on the second group (column) of the periodic table 0 1 O 2
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States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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- Uistrictims.seattleschools.org/common-assessment-delivery/start/4732295265?action=onresume&submissionld=D443170581 Use the pictures below to answer the question. Choose the two elements that are located on the second period (row) of the periodic table: 01 O 2 口4 I Schoology - Googl. 近Student Portal - Seattle x C Clever | Portal E Class Score Detail 9 Schoology N Chemistry A- Period 6 x G eaq A districtims.seattleschools.org/common-assessment-delivery/start/4732295265?action=Donresume&submissionld=443170581 Use the pictures below to the answer question. Choose the two elements located on the second group (column) of the periodic table 口 1 口2 口4 口5 O Schoology - GooglCite 3 scientists whose works were mostly on the development of the periodic table. Give a short description oftheir contributions.
- Third Math X Microsoft T x Microsoft Te x DOCX File v X 4. Personal - → C A app.edulastic.com/student/assessment/60525b29af74cf0008c2b68f/class E- > NEXT Question 17/19 A BOOKMARK 17 Use the image of a partial periodic table to answer questions 17, 18 and 19. 18 2 Не H. 1 Hyder 2 Hellum 4.00 101 13 14 15 16 17 4. 6. C 8 10 Ne 2. Li Be B N F Lthum 694 Berylum Borge Carton 10.81 1 12.01 Devgen 16.00 Puine Neon 20.18 9.01 14.01 19.00 11 12 13 14 15 16 17 18 Ar Na Mg sum 24.31 Al CI 3. Sodum 22.99 Si See 26.09 Aumin Argon 39.95 Cherine 3. 30.97 26.98 32.06 15 45 19 K 31 20 21 32 Ge 33 As 34 Ca Sc 35 Br 36 Kr Ga Caum 69.72 Se ... Protacsum 39. 10 Caldum 40.08 Arsenir Sele Bromine 44.96 72.63 74.92 78.97 79 90 3.80 38 37 Rb 39 Y. 49 50 Sn 51 Sb 52 53 54 Sr In Te Xe ... Srentium erum due 114.82 emony Taluum Jodine 5.47 87.62 118.71 121.76 127.60 126.90 131.29 Which elements have more protons per atom than phosphorus? bromine and sulfur B helium and nitrogen nitrogen and sodium sodium and…Hydrogen in 1?C + 'H – 1³N + Y 13N → 1°C + e+ + v 1°C + 'H – "N + Y 14N + 'H – 0+ y 150 → 15N + e+ + v 15N + 'H 1?C+ He Helium outx MyLab and Mastering J Course Home MyLab and Mastering envellum.ecollege.com/course.html?courseld316985674&OpenVellumHMAC=Db6918a05d7d0ddc49a113faa2dba85b0# 10001 I Review | Constants | Periodic Table You may want to reference (Pages 420 - 425) Section 10.4 while completing this problem. Part A A chemical reaction occurring in a cylinder equipped with a moveable piston produces 0.641 mol of a gaseous product. If the cylinder contained 0.240 mol of gas before the reaction and had an initial volume of 2.19 L, what was its volume after the reaction? (Assume that pressure and temperature are constant and that the initial amount of gas completely reacts.) Express the volume to thee significant figures and include the appropriate units. Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Provide Feedback Next2 P Pearson Copyright © 2021 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy PolicyI Permissions Contact Us| search 78°F…
- 1PrqdNDx-hBYyzKo-xfiM9-Jlq7EAaWe3GBt t3U3jDo/edit ulator O A Land of Permane... it was seconds ago - UA E- EE 2 Al + 3 H,SO, 6. How many grams of hydrogen gas are produced with 0.S8 moles of aluminum sulfate? 3 H, + Al,(SO); 0.88 moles Al (SO), 3 moles H. 6 g H. 0.88 moles Al (SO), 1 mole H.A east.cengagenow.com n Course: CHM_103_003 General Chemistry I C OWLV2 | Online teaching ai [References] Use the References to access important values if needed for this question. 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BCNOF Ne Na Mg 38 4B 5B 6B 78 88 H 1B 28 A1 Si PS CI Ar K Ca Sc Ti VCr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb SrY Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Hf Ta w Re Os Ir Pt Au Hg TI Pb Bi Po At Rn Fr Ra Ac RT Ha Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa UNp Pu Am Cm Bk Cf Es FmMd No Lr Using only the periodic table arrange the following elements in order of increasing atomic radius: xenon, antimony, iodine, tellurium Smallest Largest Please answer this question according to the general rules you have learned regarding periodic trends. DO NOT base your answer on tabulated values since exceptions may occur. Try Another Version 10 item attempts remaining Submit Answer Cengage Learning | Cengage Technical Support DD 80 000 D00 F9 F7 F8 F2 F3 F4 F5 F6 1吕Chrome File Edit View History Bookmarks Profiles Tab Window Help 31% Fri 10:35 PM sciencenotes.org 101 Chem101 Identify the region o x b My Questions | bart X CHEM 111-Ch 3 Flas X + 1 18 Update : IA VIIIA app.101edu.co 1A 8A Periodic Table of the Elements -1, +1 Apps M Gmail" YouTube Translate P MyLabsPlus | Pear... TE MYTCC Blcackboard Reading List H Не >> 2 13 IIIA ЗА 14 15 16 17 IIA IVA VA VIA VIIA Hydrogen 1.008 Atomic Number Helium 4.003 Valence 2A 4A 6A 5,-3,-3 8 5A 7A 4 5 +4,+3,+2,+1 -110 +1 +2 +3 3 7 Symbol 4,-3 -2,-1 Question 18 of 50 Submit Li Ве F Ne Lithium 6.941 Beryllium 9.012 Carbon Oxygen 15.999 Boron Nitrogen 14.007 Fluorine 18.998 Neon 20.180 Name Atomic Mass +4,-4 15 *5,*3,-3 16*6,+4,+2,-217*7.+5,+3,1 18 +1 +2 13 +3 11 12 14 Na Mg AI Si ci| Ar 3 IIIB ЗВ 4 IVB 4B 6 VIB 6B 7 VIIB 7B 8 10 Identify the region of the electromagnetic spectrum where the wavelength VB 5B VI 8 11 IB 1B 12 IB 2B Magnesium 24.305 Silicon 28.086 Sulfur 32.066 Chlorine 35.453 Argon 39.948…
- ind Flipgrid | alfarorms google Meet Joh Desmos | Scientific.. My Apps t Luis banuelos goal t to reflect your answers. ZOOM Background O Size AAA 2 NaNO3 + PbO > Pb(NO3)2 + Na,0 Agl + Fe (CO,), → Fel3 + Ag,CO, CH.O2 + CO, + H2O ZnSO, + LizCO, > ZNCO, + Li SO. V,O5 + Cas > CaO + V,S5 Mn(NO2)2 + BeCl2 > Be(NO)2 + MnCh AgBr + GAPO, → Ag PO, + GaBrs H2SO, +2 B(OH)3 → B2(SO.)3 * _6_ H20 S8 + O2> SO2 acerCourse Home b Details | bartleby G indivuials with austium good to O X A openvellum.ecollege.com/course.html?courseld=16561285&OpenVellumHMAC=446c877376a9bc7ac878d8ad119f4717#10001 E Apps G Gmail YouTube O Maps E Connect - To Do As.. O OCCC Moodle P chem work b help Balance Chemical E. Aldehyde or Ketone? - Copy 7 of 13 > Syllabus I Review | Constants | Periodic Table Scores There are two classes of carbonyl compounds: aldehydes and ketones. Aldehydes have at least one hydrogen atom attached to the carbonyl carbon, which еТext means that C=0 must appear at the end of a carbon chain. Ketones do not have any hydrogen atoms attached to the carbonyl carbon because C=0 occurs between alkyl groups. Document Sharing User Settings Part A Course Tools > Classify the following line-bond formulas as ketones or aldehydes. (Remember that carbon must have 4 bonds. If a line-angle formula shows a carbon atom with only three bonds, the missing fourth bond is understood to go to a hydrogen atom.) Drag…A east.cengagenow.com OWLV2 | Online te in Course: CHM_103_003 General Chemistry I [References] Use the References to access important values if needed for this question. 8A 1A H 2A 4A 5A 6A 7A He 3A Be BCNOF Ne Mg 1B 28 A1 Si PS CI Ar 3B 4B 5B 68 7E E 8B K Ca Sc Tiv Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag cd In Sn Sb Te I Xe Cs Ba La Hr Ta Hg TI Pb Bi Po At Rn Fr Ra Ac RT Ha et Er Tm Yb Lu ot Fm Md No Lr ot (1) What is the name of the element with a valence electron configuration of 3s2? (2) What is the name of the element with a valence electron configuration of 4s²4p2? Submit Answer Try Another Version 10 item attempts remaining Cengage Learning | Cengage Technical Support