(a)
Interpretation:
The letters for the position of halogens by using the periodic table in Figure 11-40 are to be identified.
Concept introduction:
Periodic table is a tubular form of elements, which is arranged by the
(b)
Interpretation:
The letters for the position of alkali metals by using the periodic table in Figure 11-40 are to be identified.
Concept introduction:
Periodic table is a tubular form of elements, which is arranged by the atomic numbers. Elements with similar properties appear in the same group in periodic table. Most of the groups form chemical families. Family trends are most apparent among the main group elements.
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EBK INTRODUCTORY CHEMISTRY: AN ACTIVE L
- 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arrow_forwardWhich of the following statements is/are true? I. Solids are compact but if melted it moves randomly. II. Diamond and graphite are examples of amorphous solids. III. Color is an intensive property. IV. Isobars are the atoms with the same A. III, IV I, III I, III, IV I, II, III, IV II, III, IV The English chemist and meteorologist who stated that the same two elements can be combined to form different compounds where each combination contains a fixed amount of both in a small whole number ratio. Chadwick Rutherford Dalton Democritus Thomsonarrow_forwardUse the Periodic Table to arrange the following elements according to increasing atomic size. DIRECTIONS: Type the chemical symbols with the first letter as Capital and second letter in lower case, space, next element, space 1. K , Cs , Na , Li , Rb 2. Si , Te , As , At , B 3. Sn , I , Rb , In , Sr 4. Cl , I , F , At , Brarrow_forward
- Recognizing the intersection of scientific properties and ideas with the world around you is a key component of this course. By choosing a specific element to discuss, you will begin to understand how all substances are composed of elements that work together to form the world around us. Using the periodic table in Chapter 8 of your textbook, pick your favorite element. Describe this element's properties (i.e. atomic weight, atomic number, metal/non-metal, etc.). In addition to using your textbook, use reliable internet sources to research an interesting fact about this element. Use all of this information to explain why this is your favorite element. Cite your source(s) in APA format.arrow_forwardPlease answer this follower question in your own words: 1) How do we know that air is not a single substance? 2) Metals have many similar properties, but not all properties are shared by all metals. Why is it useful to group them as metals? 3) Why is it important that the Periodic Table is structured as a table, rather than a list of elements? How is the Periodic Table important for all of science and not just chemistry? 4) Could the Periodic Table be arranged differently? How would you arrange the Periodic Table and Why?arrow_forwardFour neutral objects are sketched below, in black and white. There are positive and negative electric charges inside these objects, and at least some of those charges can move around. Now suppose a negative charge comes close to these objects, as shown in the sketch. Shade the objects red anywhere you expect them to become more negatively charged, and shade the objects blue anywhere you expect them to become more positively charged.arrow_forward
- You as teacher would like to revise the periodic table in a creative way with your learners in Grade 9. In Grade 8 you have already discussed the periodic table by using a periodic table as indicated below. You decided to use another teaching strategy for your revision. Indicate what teaching and learning resources you will use to revise the periodic table and explain your teaching activity that you will use to ensure that the learners understand this concept.arrow_forwardThird 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…arrow_forwardClassify the substance shown in the sketch below. You can click the other tabs in the sketch to get a magnified view. Be sure you check all the boxes on the right-hand side that are correct for this substance. Note for advanced students: in some sketches the distance between particles has been exaggerated to make it easier to see each individual particle. classification substance (check all that apply) normal 1000X 10,000,000X Ogas liquid Osolid lelement |compound Omixture Osolution Opure substance Ohomogeneous mixture Oheterogeneous mixturearrow_forward
- Students conducted an experiment to observe the properties of four elements. The results of their observations are in the table below. Based on the information in the table, Sample 3 would likely be classified as a(n) — alkali metal halogen noble gas transition metalarrow_forwardlegible pleasearrow_forwardNumber 9arrow_forward
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