3.1 Atomic Structure and The Periodic Table

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1 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 3. tomic Structur ad Th Priodic Tabl Qustio Par Lvl IGSE Subjct hmistry (060) Exam oard ambridg Itratioal Examiatios (IE) Toic toms Elmts ad omouds Sub-Toic 3. tomic Structur ad Th Priodic Tabl ooklt Qustio Par Tim llowd: 65 miuts Scor: /55 Prctag: /00 Grad oudaris: * E U >85% 75% 60% 45% 35% 5% <5%

2 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at alumiium atom has a uclo umbr of 7 ad a roto umbr of 3. How may utros dos this alumiium atom cotai? atom of lmt Q cotais 9 lctros, 9 rotos ad 0 utros. What is Q? calcium otassium strotium yttrium 3 Th tabl shows th atomic structur of four atoms. Which atom is ot a mtal? 4 Which statmt about atoms is corrct? toms cotai rotos ad lctros i th uclus. Nutros ar gativly chargd. Protos ar ositivly chargd. Th uclo umbr is th umbr of utros.

3 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 5 Which diagram corrctly shows th ios rst i th comoud otassium fluorid? K + K + + F F + ky = uclus = lctro K + + F K + F +

4 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 6 What do th ucli of H hydrog atoms cotai? lctros ad utros lctros ad rotos utros oly rotos oly 7 Th tabl shows th uclo umbr ad th umbr of utros i o atom of isotos W, X, Y ad Z. Which statmt about W, X, Y ad Z is corrct? W ad X ar isotos of th sam lmt. X ad Y ar isotos of lmts i th sam grou of th Priodic Tabl. Y ad Z ar isotos of lmts i th sam riod of th Priodic Tabl. Z has a highr roto umbr tha Y. 8 Th rlativ atomic mass of chlori is Wh calculatig rlativ atomic mass, which articl is th mass of a chlori atom comard to? a utro a roto a atom of carbo- a atom of hydrog-

5 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 9. toms cotai lctros, utros ad rotos. What is th dfiitio of uclo umbr? th umbr of utros i th uclus of a atom th umbr of rotos i th uclus of a atom th total umbr of utros ad rotos i th uclus of a atom th total umbr of articls i a atom 0. Th diagram shows th atomic structur of a lmt X. ky roto lctro utro What is X? alumiium bryllium boro fluori Which statmts comarig th rortis of lctros, utros ad rotos ar corrct? utros ad rotos ar both havir tha lctros oly lctros ad utros ar chargd

6 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at Th atomic structurs of four articls ar show. Which two articls ar isotos? W ad X W ad Y X ad Z Y ad Z 3 Two atoms, X ad Y, ca b rrstd as show. Which statmt is ot corrct? X 0 Y X ad Y ar atoms of diffrt lmts. X ad Y ar isotos. X ad Y hav diffrt mass umbrs. X ad Y hav th sam umbr of lctros. 4 Two atoms hav th sam rlativ atomic mass but diffrt chmical rortis. Which row about th roto ad utro umbrs of ths atoms is corrct?

7 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 5 Th tabl shows th umbrs of articls rst i th ucli of four atoms or ios. Which two articls blog to th sam lmt? ad a ad 3 ad 4 6 What is diffrt for isotos of th sam lmt? uclo umbr umbr of lctro shlls umbr of lctros i th outr shll roto umbr 7 Which lmt has th atomic structur show? ky lctro 6 utro uclus l P S Si 8 How may atoms of hydrog ar thr i a molcul of thaol, H 5 OH? 5 6

8 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 9 Which statmt about a utro is ot corrct? It ca b rst i diffrt umbrs i atoms of th sam lmt. It has o lctrical charg. It is always foud i th uclus of a atom. It wighs much lss tha a roto Elmt X, X, forms a comoud with lmt Y, Y Which statmt dscribs th bodig i th comoud formd? X ad Y shar lctros. X givs away o lctro to Y. Y givs away o lctro to X. Y givs away two lctros to X. Th tabl shows th umbrs of atoms rst i th formula of som comouds. Which row is ot corrct? umbrs of atoms formula calcium, carbo, 3 oxyg ao 3 carbo, 5 hydrog, oxyg H 5 OH hydrog, oxyg, sodium NaOH hydrog, 4 oxyg, sulfur H SO 4 lmt, X, ca b rrstd as a b X. Which statmt is corrct? Th umbr of rotos i a atom of X is a. Th xact ositio of X i th Priodic Tabl ca b foud from a. Th rlativ atomic mass of X is b. Th total umbr of lctros i o atom of X is b.

9 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 3 Th diagram shows th structur of a atom of lmt X. 5 6 ky = lctro = utro = roto = uclus What is X? boro carbo sodium sulfur 4 Th diagrams show four articls ky = a lctro = a utro = a roto = uclus Which two diagrams show atoms that ar isotos of ach othr? ad ad 3 ad 3 ad 4

10 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 5 comoud cotais o atom of calcium, two atoms of hydrog ad two atoms of oxyg. What is th corrct chmical formula of th comoud? ao H HOaOH H ao a(oh) 3 6 Which statmts about a hoshorus atom, 5 P, ar corrct? 3 Th uclo umbr is 6. Th umbr of outr lctros is 5. Th roto umbr is 5., ad 3 ad oly ad 3 oly ad 3 oly 7 Elmt X has 7 rotos. Elmt Y has 8 mor rotos tha X. Which statmt about lmt Y is corrct? Y has mor lctro shlls tha X. Y has mor lctros i its outr shll tha X. Y is i a diffrt grou of th Priodic Tabl from X. Y is i th sam riod of th Priodic Tabl as X 3 8 Which statmts about a sodium atom, Na, ar corrct? 3 Th umbr of rotos ad utros is th sam. Th umbr of rotos ad lctros is th sam. Th umbr of outr lctros is o., ad 3 ad oly ad 3 oly ad 3 oly

11 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 9 Th diagrams show th lctro arragmts i th atoms of four lmts. Which lmt dos ot form a covalt bod? ky lctro uclus 30 Th atomic structurs of four atoms ar show. Which air of atoms ar isotos? W ad X W ad Y X ad Y Y ad Z 3 Th diagram shows th structur of thr articls, R, S ad T. ky = lctro = utro = roto = uclus R S T Which row dscribs ths articls? ios isotos R S ad T R ad S T S R ad T T R ad S

12 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at Elmt X is rrstd by 3 X. Which statmt about lmt X is corrct? atom of X cotais 3 rotos ad 3 utros. atom of X cotais 7 rotos ad 3 lctros. X forms a io by gaiig lctros. X is lacd i Grou III of th Priodic Tabl. 33 Th diagram shows a atom of a lmt. ky = lctro = uclus cotaiig lv articls How may rotos ad utros ar i th uclus of th atom ad i which grou ad riod of th Priodic Tabl is th lmt foud?

13 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 34 Which statmts comarig th rortis of lctros, utros ad rotos ar corrct? utros ad rotos ar both havir tha lctros oly lctros ad utros ar chargd 35 Which row givs th umbr of lctros i th outr lctro shll of fluori ad of o? 36 Th uclo umbr of a isoto of rubidium is 85. How may rotos, utros ad lctros ar rst i a atom of this isoto?

14 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 37 lmt Y has th roto umbr 8. Th xt lmt i th Priodic Tabl is a lmt Z. Which statmt is corrct? Elmt Z has o mor lctro i its outr shll tha lmt Y. Elmt Z has o mor lctro shll tha lmt Y. Elmt Z is i th sam grou of th Priodic Tabl as lmt Y. Elmt Z is i th sam riod of th Priodic Tabl as lmt Y. 38 Which atom has twic as may utros as rotos? H H H H Elmts X, Y ad Z ar i Grou VII of th Priodic Tabl. X is a gas. Y is lss ractiv tha Z Z is a rd liquid. Wh X, Y ad Z ar ut i ordr of icrasig roto umbr, which ordr is corrct? X Y Z X Z Y Y X Z Y Z X

15 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 40 Two isotos of hlium ar H ad H. 3 4 Which two diagrams show th arragmt of articls i ths two isotos? 3 H 4 H ky = lctro = roto = utro = uclus 3 4

16 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 4 Th tabl dscribs th structurs of four articls. What ar th corrct valus of X, Y ad Z? 4 Th diagram shows art of th Priodic Tabl. Which lmt is corrctly matchd with its lctroic structur? lctroic structur,8,,4,8,,8

17 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at Th uclo umbr ad roto umbr of th lithium atom ar show by th symbol 3 Li. What is th corrct symbol for th lithium io i lithium chlorid? 6 Li 6 3Li + 7 3Li Li 44 Elmt X has a uclo (mass) umbr of 9 ad a roto (atomic) umbr of 9. To which grou i th Priodic Tabl dos it blog? I III VII 0 45 Th tabl shows th structur of diffrt atoms ad ios. What ar th valus of W, X, Y ad Z?

18 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 46 Two isotos of hydrog ar H ad H. Which diagram shows th arragmt of articls i th two isotos? H H ky = a lctro = a roto = a utro = a uclus

19 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 47 Which row shows th chag that taks lac wh lmt X gais th w articl show? articl gaid lctro lctro roto roto chag a isoto of lmt X is formd th lmt o lac to th right of X i th Priodic Tabl is formd a isoto of lmt X is formd th lmt o lac to th right of X i th Priodic Tabl is formd 48 Th diagram shows a atom. ky lctro uclus cotaiig i articls What is th roto umbr ad utro umbr of th atom? 49 Th symbols of two atoms may b writt as show X 4Y Which statmt about ths atoms is corrct? Thy ar diffrt lmts bcaus thy hav diffrt umbrs of utros. Thy ar diffrt lmts bcaus thy hav diffrt umbrs of rotos. Thy ar isotos of th sam lmt bcaus thy hav th sam uclo umbr. Thy ar isotos of th sam lmt bcaus thy hav th sam roto umbr.

20 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 50 tom X has 8 mor lctros tha atom Y. Studt says thy ar i th sam grou. Studt says thy ar uractiv. Which studts ca b corrct? studt studt 5 Which umbr is diffrt for isotos of th sam lmt? umbr of lctros umbr of full shlls umbr of uclos umbr of rotos 5 Which atom has two mor lctros tha a atom of a obl gas? alumiium bromi calcium rubidium

21 Sav My Exams! Th Hom of Rvisio For mor awsom GSE ad lvl rsourcs, visit us at 53 lmt S has th roto umbr 8. Th xt lmt i th Priodic Tabl is a lmt T. Which statmt is corrct? Elmt T has o mor lctro i its outr shll tha lmt S. Elmt T has o mor lctro shll tha lmt S. Elmt T is i th sam grou of th Priodic Tabl as lmt S. Elmt T is i th sam riod of th Priodic Tabl as lmt S. 54 Which umbrs ar addd togthr to giv th uclo umbr of a io? umbr of lctros + umbr of utros umbr of lctros + umbr of rotos umbr of lctros + umbr of rotos + umbr of utros umbr of rotos + umbr of utros 55 Elmt V forms a acidic, covalt oxid. Which row i th tabl shows how may lctros thr could b i th outr shll of a atom of V?