Match the following correctly.

Q: Which subshell is represented by the lanthanides family? Which subshell is represented by the…

A: Lanthanides and actinides  are f-bolck elements.

Q: Do both members of the following pairs have the samenumber of protons? Neutrons? Electrons?(a)¹⁶₈O…

A:

Q: Consider the table. ITITE Metal Tm (K) AHfus (kJ/mol) Tp (K) AHvap (kJ/mol) Li 454 2.99 1615 134.7…

A: We have given that For K ∆Hfus = 2.33 kJ/mole = 2330 J/mole                       Tm = 336 K   ∆Hvap…

Q: and 2 (At Hom ise 2.107 25 of 27 I Review | Constants | Periodic Table ef uses a bag of sand to…

A: Step → Since,       mass = density×volume

Q: In a mass spectrometer with an electron ionization source (EI) does the mass of an ion affect its…

A: Electron ionization (EI) is known as electron bombardment ionization in which energetic electrons…

Q: Chrome File Edit View History Bookmarks People Tab Window Help Hue Dashboarx Buy Essay x G find some…

A: According to Boyle's law at constant temperature, volume of gas is inversely proportional to it's…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Isotope elements having similar atomic number but different mass number

Q: # of protons Element Atomic # of Mass number # of electrons symbol number neutrons 23 51 23 77 115…

A:

Q: a why alumi W

A: a. Ionization energy increases as a general trend across the left to right of period 3.

Q: The electronic configuration of an element with atomic number 8 and mass number 16 is O 1s2/2s2 2p4…

A: Electronic configuration is the distribution of electrons of an atom or molecule. It shows the…

Q: Calculate the Reduced mass of Na2 with 23Na isotope in atomic units (me).

A: Isotope can be defined as the species that have same atomic number but have different mass number.

Q: Then for each question, enter the number listed (1-4) before the element, for elements that satisfy…

A: Allotropes which have different physical properties while same chemical properties in given atoms…

Q: Bome Nuclel and Other Atomie Part Symbol ietoo Man (an Mass (amu) 38.9184 $7.9199 205.9295 0.000549…

A: The explanation is given below-

Q: 16. Where on the periodic table are metalloids found?

A: The periodic table may be divided into s, p, d and f blocks based on the nature of the orbital in…

Q: Select the best answer or answers from the choices given: Which set of terms best describes a…

A: Given choices,    (a) negative charge, massless, in the orbital    (b) positive charge, 1 amu, in…

Q: Naturally occurring magnesium has the following isotopicabundances: Isotope Abundance (%)…

A:

Q: What is the term for the elements that belong to Groups IIIB-IIB (Groups 3-12)?

A: In the modern periodic table we have eighteen groups. These groups are classified to four blocks;…

Q: 20 21 23 24 :0 F1 2 26 27 2 F2 14/ Select all answers that show the atoms or ions that are…

A:

Q: Tennessine, element 117, is the most recently discovered element in the periodic table. Assuming it…

A: It is given that Tennessine is an element having an atomic number of 117 and is the recently…

Q: please calculate the reduced mass of hcl35,hcl37,dcl35,dcl37. and please let me know how the isotope…

A: When two bodies in relative motion are acted upon by a central force involving Newton's law then the…

Q: 1. Direction: Complete the table by providing the missing information. Atomic Mass Elements Number…

A:

Q: I do not understand 1s22s22p63s23p64s1  Is there a sort of counting that has to be done on the…

A: The electronic configuration of any element is written based on the atomic number of the element…

Q: Part C State whether this observed trend in ionization energies is supported by Slater's rules. O…

A: Higher the value of effective nuclear charge felt by an electron higher will be its ionisation…

Q: Indicate the answer choice that best completes the statement or answers the question. 8 The electron…

A: Electronic configuration of P-1 is  Total number of electron in P1-  = 15+1=16

Q: Antimony belongs to Group SA. What is its correct a. b. Sb-

A: Antimony belongs to Group 5A. The correct electron-dot structure is                       Option d.…

Q: 3. Calculate atomic mass of naturally occurring boron if 19.9% of boron atoms are 105B and 80.1% are…

A:

Q: Elements that lie on the left side of the periodic table are generally non-metals?

A:

Q: As pure elements, all of the halogens are diatomic molecular species. Their melting points are: F2,…

A: Astatine is a member of halogen group having no stable isotope.

Q: A primary halide has has alpha carbon with single branch O has alpha carbon with no branch O none of…

A:

Q: Use the information below to calculate the atomic mass of magnesium. Isotope Isotope Mass (amu)…

A: Given   The atomic mass for magnesium-24 is 23.985 amu and abundance is 78.70. The atomic mass for…

Q: Why do we not see uranium and thorium in the core even though they are heavier elements

A: If uranium or thorium will be present at earth core then under high temperature and pressure,…

Q: 6. Use a series of diagrams and a few point-form notes to create a flow chart that summarizes the…

A: Answer - Atomic theory has evolved since ancient times. The hypothesis of Greek scholars has become…

Q: What is the electron configuration of Sulfur? A) 1s22p4 B) 1s22s22p63s23d4 C) 1s22s22p63s23p4 D)…

A: The given element is Sulfur.  It belongs to group-16.  Atomic number of sulfur is 16.

Q: What is the predicted charge for a P ion?

A: The element P is found in the nitrogen group of the periodic table. Hence the number of valence…

Q: Find A-D and F D 1. O, 2' (CH,)2S Na,Cr,O, 1. A 2' H,O+ „MgBr B H2SO4 1. F 2' H,O+ HO-

A: We have to find A-D and F as follows in step 2:

Q: Calculate the atomic mass of naturally occurring boron if 19.9% of the boron atoms are 510 B and…

A: The atomic mass of naturally occurring boron has to be given,

Q: Part B Which of the following outer electron configurations could belong to a metalloid? Check all…

A:

Q: on N atom in NO3¯ are 1,3 .A 4,0 .B 3,1 .C .D 2,2

A:

Q: Give answers of the following. a. Which halogen is used for treating domestic water supplies and…

A: Chlorine(Cl) is used for treating domestic water supplies and swimming pool water. Chlorine is added…

Q: 3,1,0, + [Kr] 5s' 3d5 [He] 2s? 2p

A: According to guidelines I am supposed to answer first three part only please ask rest of the part as…

Q: D. Match items from column (A) with the suitable one from column (B) (A) (В) Alkaline earth metals 1…

A: The table is given is based on the periodic table.

Q: How much heat would be required to convert 5.31 mol of a pure substance from a liquid at 40.0°C to a…

A: The process of conversion involves the below steps. 1) Heating of liquid from  40.0°C to its boiling…

Q: Determine the overall charge on particles with the subatomic makeups given. 13 protons, 14 neutrons,…

A: The charge on protons is +1, the charge on neutrons is 0, and the charge on electrons is -1. The…

Q: llustrate an atom wth the isotopic symbol:

A: