1A 8A H 2A 3A 4A SA 6A 7A He Li Be BC NO F Ne Na Mg 38 48 5e 68 78 - 88 - 18 28 AI si PS CI Ar K Ca sc Ti v 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 Hf Ta w Re Os Ir Pt Au Hg TI Pb Bi Po At Rn Fr Ra AC Rr Ha Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa u Np Pu Am Cm Bk cr Es Fm Md No Lr (1) What is the name of the element with a valence electron configuration of 3s²3p? (2) What is the name of the element with a valence electron configuration of 2s²2p°?

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be CNOFNE Na Mg 3B 4B 5B 6B 7B 8B 1B 2B AT Si PS C Ar K Ca Sc TivCr…

A:

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BCNOF Ne Na Mg 3B 4B 58 6B 7B 18 28 A1 Si Ps CI Ar 8B K Ca Sc Ti…

A:

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be an 1 ON 3 8 Na Mg 38 4B 5B 68 78 r 8B H 1B 2B AI Si PS CI Ar K Ca…

A:

Q: 8A H 2A 3A 4A SA 6A 7A He Li Be BCNOF Ne Na Mg 38 4B 5B 68 78 88 - 18 28 AI Si P S CI Ar K Ca sc Tiv…

A:

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BCNO F Ne Na Mg 38 4B 5B 6B 7B -88 - 1B 28 AI si P S CI Ar K Ca…

A:

Q: Part A - Determining the Number of Subatomic Particles in Ato Which of these atoms has the largest…

A: As we know Mass number= no. of proton+ no. Of neutron Also, No. Of proton= Atomic number Hence, No.…

Q: Od. 1.03 x 10-27 QUESTION 3 The number of neutrons, protons, and electrons in A7A9 are 108 47 Oa. p…

A: The number of protons present in the nucleus is termed as the atomic number. The sum of the number…

Q: 1A BA 3A 4A 5A 6A 7A He BCNOF Ne Na Mg 3B 4B 5B 6B 7B 88 18 28 A Si P SCI Ar K Ca Sc TI|V Cr Mn Fe…

A: Periodic table represents the arrangement of the elements in increasing order of their atomic…

Q: H 2A 3A 4A 5A 6A 7A He Li Be ƏN 3 O N 8 Na Mg 38 4B 58 6B 78 r 88 ¬ 18 28 HI SI P S CI Ar K Ca Sc Ti…

A: First write the Complete electronic configuration of atom.

Q: Pka=8.95 H3 Nt pka =2,18 A) +2 charge -> B) +I charge > HTM + NH3 Pka = 10.79

A: Above structure is Lysine.

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be B C NOF Ne Na Mg 3B 4B 5B 6B 7B - 88 – 18 28 A1 si PS CI Ar K Ca…

A: Generally in periodic table from left to right ionisation energy increases.

Q: Complete and balance the following equations. Click in the answer box to open the symbol palette. 7.…

A: Applying concept of nuclear chemistry.

Q: 1A 8A H 2A 3A 4A SA 6A 7A He BC NO F Ne Li Be Na Mg 38 4B 5B 6B 78 r88 - 1B 28 Ai si P S CI Ar K Ca…

A:

Q: How many protons, neutrons, and electrons are in the following atoms: (a) ²⁸Si; (b) ⁶⁰Ni; (c) ⁸⁵Rb;…

A: Note : As per our guidelines we are supposed to answer first 3 parts .Please resubmit the other…

Q: Nuclide Name 20-Ne 22-Ne 35-CI 37-CI 104-Pd 114-Sn 116-Sn 123-Sb 202-Hg 206-Pb Element name Neon…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: Stoichiometry Reassessment (S) For the reaction 3 H2 (g) + N2 (g) 2 NH3 (g), how many moles of…

A: Dear student I have given answer to your question in the image format.

Q: The atomic structure of four particles are shown. electrons protons neutrons 18 17 18 Q 18 17 20 17…

A: Isoelectronic species can be defined as the species which have same number of electrons in an atom.

Q: 9. +ie + -> +1е 10. Си + н 63 29 64 30 0Zп + 11. н + H + in ->

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be B CNO F Ne Na Mg 3B 4B 5B 6B 7B 8B - 1B 2B AI Si P S CI Ar K Ca…

A: Since the elements given are from the same period of the periodic table  And since on moving left to…

Q: 1A 8A H 2A 3A 4A SA 6A 7A He Li Be BC NO F Ne Na Mg 3B 4B 5B 6B 7B F 8B - 1B 28 AI Si PS CI Ar K Ca…

A: K+, Cl-, S2-, Ca2+ are isoelectronic species so they contain 18 electrons  More the positive charge…

Q: 8 (a) Define in words the following: (i) Ka (ii) pKa

A: Given,  (i) Ka and  (ii) pKa

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BC NO F Ne Na Mg 3B 4B 5B 6B 7B - 8B ¬ 1B 28 A1 Si PS CI Ar K Ca…

A: 1. The  electron configuration of silicon atom  number of electrons in Si atom= 14 In order to write…

Q: 1A 8A H 2A 3A 4A SA 6A 7A He Li Be BCNOF Ne Na Mg 38 48 5B 6B 7B - 8B - 18 28 AI Si P S CI Ar K Ca…

A: Electronegativities increase from left to right across the periodic table, because of the increase…

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BCNOF Ne Na Mg 38 4B 5B 6B 7B -88 - 1B 28 AI si P S CI Ar K Ca sc…

A: We will answer both the questions, as the question number is not mentioned before them.

Q: 1A H 2A Li Be Na Mg 3B 4B 5B 68 7888 3A 4A 5A 6A 7A He BCN OF Ne S Cl Ar 1B 2B Al K Ca Sc Ti V Cr Mn…

A: In chemistry electronic configuration is distribution of electrons of an atom or molecule in atomic…

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be B C NO F Ne Na Mg 38 48 5B 6B 7B - 8B - 1B 28 A1 si PS CI Ar K Ca…

A: Ionic compounds are formed by ions. The metal atom loses electrons and forms cations and the…

Q: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Group Period 1 Не 4 7 8 9 10 L Be Ne 11 12 13 Al Na…

A: Francium (Fr) belongs to group 1 of periodic table. The general electronic configuration of valence…

Q: 1A H 2A 3A 4A SA 6A 7A He LI Be BCNOF Ne Na Mg 38 4B 5B 6B 7B 88 1B 28 A1 Si PS CI Ar KCa Sc TiV Cr…

A: For cation, size decreases as the charge increases and for anion, size increases as the charge…

Q: 7. In cach pair of isotopes shown, indicate which one you would expect to be radioactive and why. a)…

A: Isotope is defined as same number of proton and electron but different number of neutron. For…

Q: H 2A 3A 4A 5A 6A 7A He Li Be BCNOF Ne Na Mg 38 4B 5B 6B 7B 88 ¬ 1B 2B A1 Si P S CI Ar K Ca Sc TiV Cr…

A:

Q: 1A H2A Li Be 8B 3A 4A 5A 6A 7A He B CN OF NE 1B 2B Al Si P S Cl Ar Na Mg 3B 4B 5B 6B 7B K Ca Sc Ti V…

A: We have to tell atomic number of the given configuration.

Q: 1A H2A 3A 4A 5A 6A 7A He Li Be B C N O F Ne Na Mg 3B 4B 58 68 7B 88 18 28 Al Si P S Cl Ar K Ca Sc Ti…

A: Ans : 1) The Calcium is a chemical element with the symbol is Ca . 2)The atomic number calcium is…

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BCNOF Ne Na Mg 3B 4B 5B 6B 7B r 8B ¬ 1B 28 A1 Si P S CI Ar K Ca…

A: From the given periodic table we see that Lithium (Li) is the member of group 1A and 2nd period.…

Q: 1A 8A H 2A 3A 4A SA 6A 7A He Li Be BC NO F Ne Na Mg 38 4B 5B 68 7B - 8B - 1B 28 AI si P S CI Ar K Ca…

A: Four atoms are isoelectronic with Ar with charge +1 , +2 , -1 , -2 * isoelectronic means they have…

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He BCNO FNe Li Be Na Mg 38 4B 5B 6B 7B 8B - IB 2B AI Si P S CI Ar K Ca sc…

A: Given  Name of atom  = Sodium atom  Complete electronic configuration = ?  Name of atom = Lithium…

Q: 1A 8A H 2A 3A 4A SA 6A 7A He Li Be BCNOFNE Na Mg 38 4B 5B 6B 78 88 - 18 2B AI Si P S CI Ar K Ca sc…

A: First at all we will try to match the given electronic configuration with the electronic…

Q: 410 186 412Z X 410 183 Y 186 Which two are isotopes? A. X and Y B. X and R C. Y and R D. Z and R E.…

A:

Q: 1A BA H2A 3A 4A SA 6A 7A He Li Be BCN OF Ne Na Mg 38 48 58 68 7888 18 28 Al Si P S Cl Ar K Ca Sc Ti…

A:

Q: 1A 8A H 2A 3A 4A SA 6A 7A He BC N O F Ne Li Be Na Mg 38 48 58 68 7B - 88 ¬ 1B 28 A1 si P s CI Ar K…

A: Element : Iodine  Symbol : I

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be B C NO F Ne Na Mg 38 4B 5B 6B 7B 8B - 18 28 A1 Si P S CI Ar K Ca…

A: Write group and period by using valence electron configuration --

Q: 1A 8A H 2A 3A 4A SA 6A 7A He Li Be BCNOFNE Na Mg 38 4B 5B 6B 7B 8B - 1B 26B AI si P S CI Ar K Ca sc…

A: The question is based on the concept of atomic properties. we have to write isoelectronic species of…

Q: Potassium (Z = 19) has three primary isotopes: K-39, K-40, and K-41. 1) The half-li fe of K-40 is…

A: Given: Half life of K-40 = 1.248 X 109 years Initial activity of K-40 = 820 Ci And final activity of…

Q: Be-Be+ 235 ốn+3U→ 92 222 Rn ->>>> 86 +He 141 Cs+R 55

A:

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BCN0 F Ne Na Mg 3B 4B 5B 6B 7B 88 - 18 2B AI Si P S CI Ar K Ca Sc…

A: The electronic configuration helps us to predict the group and the period of an element in the…

Q: 1A BA H 2A 3A 4A SA 6A 7A He u Be BCNO F Ne Na Mg 3e48 58 68 78 r 8e- 18 28 R Si S CI Ar KCa sc TI V…

A: Groups and periods The vertical columns in periodic table are called groups. The horizontal rows in…

Q: IA BA H2A 34 4A 5A 6A 74 He F Ne U Be BCNO No Mg 38 48 58 68 7838 18 2e Al Si P S Cl Ar K Ca Sc Ti V…

A: In the periodic table, elements in the same group ( top to bottom ) has same number of valence…

Q: 1A H 4A 5A 6A Li Be C NO F Ne Na Mg 38 6B 7B 88- 1B 2B Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni…

A:

Q: खोक्कांकंर मीमट MAIS रOOMम ०f 7 जा्षुळ च्छाजीक प्मलैकव प्रेवा ललवडड नो 97.288 उhrad connवाकs उ. 8 7…

A:

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He Li Be BC NOF Ne Na Mg 38 4B 5B 6B 7B -88 - 1B 28 AI si P S CI Ar K Ca…

A:

Q: 1A 8A H 2A 3A 4A SA 6A 7A He Li Be B. CNOF Ne Na Mg 38 4B 58 68 78 88 18 28 A1 Si P S CI Ar K Ca sc…

A: The octet configuration is the configuration in which the outermost shell of an atom contains 8 or…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.