13,Which element belongs to the inner transition metals? Group of answer choices a, Sm b, Sn c, Sc d, Sr 14, A  structural formula shows a, how the atoms are connected in the molecule b, the geometry of a molecule c, he types of atoms followed by subscripts to show the number of atoms of each type in the molecule d, the simplest whole-number ratio of different atoms in a compound

Q: Explain how it is possible for one element to have a higher atomic number than another and yet have…

A: Atomic mass of any element is actually its average atomic mass which is calculated by the addition…

Q: A neutral atom of the most common form of nickel (Ni) has how many electrons?

A: As we know that, nickel is a transition metal and a d block element.Group: 10Period: 4Atomic number…

Q: Part 1 What is the mass number of this atom? Part 2 1.01 What is the symbol for this ion? Enter both…

A: Mass Number of Helium (He):The mass number of an atom is the sum of the number of protons and…

Q: #p+ #e- #p+ #e- Fe (s) + Cu²+ (aq) Fe²+ (aq) + Cu (s) -> Fe² (?) + --> Fe? Fe? (?) + Cu² (?) Cu? (?)…

A: A question based on atoms. Two electrochemical reactions are given the details of number of protons…

Q: When the number of protons changes, the identity of the element changes. Many actinides are formed…

A: A question based on nuclear chemistry that is to be accomplished.

Q: Question 5 This equation represents the formation of a typical ion from which group of the Periodic…

A: The equation given is  M: →M2+ + 2 e–

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: The average atomic mass of three isotopes can be calculated using the following expression:

Q: What species is represented by the following information? pt = 12 n° = 14 e¯ = 10 O Si4+ O Mg Ne Si…

A: Here the number of protons are 12; number of electrons available is 10 . In neutral atom number of…

Q: a. Use the periodic table below to write the formula (including the charge) for the simple ion…

A: Periodic table is a tabular display of the chemical elements. The table is divided into four…

Q: Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4…

A: The electronic configuration of Ca is as follows: Ca(12) = 1s2 2s2 2p6 3s2 3p6 4s2 The electronic…

Q: Part 2: Color land labell each section of the Representative Elements a unique shade. Color the…

A: Representative elements are main group elements. They are s-block and p-block elements. There are…

Q: The chemical formula when Cr(II) combines with CO3² Express your answer as a chemical formula.

A: A chemical formula indicates the elements and their proportions in a compound.According to question,…

Q: 4. Count the atoms for each element in the formulas.

A: To count the atoms,list the different types of atoms in the element and multiply total number of…

Q: 1. Use a periodic table to fill in the first four columns. If it has a specific group name (see…

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

Q: A 16.60 gram sample of chromium is heated in the presence of excess sulfur. A metal sulfide is…

A: Given that : Mass of Cr = 16.60g Mass of S =(Total mass of Metal sulfide - Mass of Cr) = (39.5g -…

Q: 2. Consider the following hypothetical results for an experiment like this one. Complete the table…

A: Metal or element which is more reactive than other element displace other element from its salt…

Q: Assuming that the octet rule is obeyed, write out the electron configuration for the ion formed by…

A: To solve this problem we have to write the electronics configuration of the given element .

Q: g0. Which of the following is NOT true of the Sc* ion? a) It has the same electron configuration as…

A: We know that, due to positive charge on atom, number of electron decreases. So,

Q: What alkaline earth metal is located in period 4 of the periodic table of elements? اختر احدى…

A: The question is based on the concept of inorganic chemistry. We have  to identify the alkaline earth…

Q: What is the major problem with the equation Ca (s) + 2 H₂O (1) --> Ca(OH)2 (aq) + H₂ (g)? Select…

A: When calcium reacts with water, it results in the production of hydrogen gas and calcium hydroxide.…

Q: 1A H2A hat is the ch 0 F Ne S Cl Ar Ge As Se Br Kr IXe Sn Sb Te Rb Sr Y Zr Nb Mo Tc Ru Rh Cs Ba La…

A:

Q: 30 - The formula of the compound of a salt is XCl2. Since the X ion in this compound has 28…

A: Formula of the compound of a salt is given XCl2. If it converted into ions than it form cation and…

Q: Naturally occurring lithium consists of 6Li (6.0151 u) and 7Li (7.0160 u). What is the relative…

A: Mass of 6Li = 6.0151 uMass of 7Li = 7.0160 uAtomic mass of Li = 6.941 u

Q: Shade four elements in the outline Periodic Table below. 1. A transuranic element. 2. The last…

A: Transuranic elements:- The elements of actinoid series having the atomic number greater than 92.…

Q: The atomic radius of E is 117. pm and that of E is 207. pm. Calculate the percent increase in volume…

A: Since an atom is considered as hard sphere, so,volume of atom = (4 × 3.14 × r3 )/3where, r = radius…

Q: 4. Write the full electron configuration for phosphorus, atomic symbol P, then draw an orbital box…

A: The given picture depicts all the elements of the periodic table. The electronic configuration of an…

Q: Define physical and chemical properties, provide three examples of each, discuss their…

A: Formula for density is given as: Density = mass / volume  Volume of a cube is given as Volume = side…

Q: WWW TAT Groups are numbered 3B to 12B from left to right across the periodic table for the…

A:

Q: On a mission to a newly discovered planet, an astronaut finds gallium abundances of 60.11 %% for…

A: The average atomic mass of an element can be calculated as shown below.

Q: 80. The water solution of a compound is green. The compound could be: a) NazSO4 b) K2SO4 c) FeSO4 d)…

A:

Q: 1. Define physical and chemical properties, provide three examples of each, discuss their…

A: Many substances are classified and identified based on their physical and chemical properties.

Q: When 0.10 Fe(NO3)3 iron (III) nitrate is added to a prepared solution, a light tan precipitate is…

A: To identify the ion present in the solution.

Q: It is the first series in the periodic table NS. Iongest chains B - the shortest chains C-a series…

A: The periodic table contains all of the existing elements. In the periodic table, elements are…

Q: 17 What is the charge on the Titanium atom in the compound Ti3N4 ? A. 2+ B. 3+ C. 4+ D. 6+ 18 What…

A: Atoms are made up of protons,neutrons and electrons. Protons are positively charged particles.…

Q: : How do we specify the charge for transition metals when we write the name? Part B: what is the…

A: How do we specify the charge for transition metals when we write the name?

Q: What are alums? Give examples other than potassium alum.

A: Double salts are the salts that dissociate into all its constituent ions completely. Example is Mohr…

Q: 57 58 La Ce Lanthanum 138.90047 Cerlum 140.11 Ptable 90 89 Ac Actinium (227) .com Th Therum 21203M…

A: Atomic mass of Pd is 106.42u and atomic mass of Cd is 112.411u  Ag has atomic mass of 107.86 u…

Q: III. Periodic Properties Answer the following questions about elements and their properties based on…

A: In periodic table the elements are arranged on the increasing atomic number. Due this arrangement…

Q: The element in period 6, group 7B is alkaline metal alkali metal transition metal halogen

A: Alkali metal contain one valence electron and belongs to group IA.Alkaline metal contain two valence…

Q: Which elements are post-transition metals? A. Europium, Gadolinium, Terbium B. Uranium, Neptunium,…

A: Post-transition metals are also termed  as the poor metals which are a group of metals on the…

Q: Which of the atoms listed below has the largest radius? Multiple Cholce 54 Sb Se P. CI

A: Solution:    Atomic radius is determined by the attractive forces between electrons and nucleus,the…

Q: What are the Ions present in: 1) (NH4)2CO3 2) Zn(OH)2 3)Ba(NO3)2 4) PbS 5) Zn2(PO4)3 6) Hg2I2 7)…

A: We have to predict the ions present  in the following  ionic compounds  1) (NH4)2CO3 2) Zn(OH)2…

Q: Determine the thickness of an aluminum foil in atoms with the following information: Weight: 0.633…

A: Given the volume, we can determine the thickness of aluminum foil.

Q: Complete the chart. Show the work to determine the charge of the transition metal Formula Name Name…

A:

Q: 117)In each of the fallowina sets of elements,indicate which elements shows the mast active chemical…

A: Reactivity of element is directly proportional to oxidation potential. (a) Al (b) Na (c) B Position…

Q: In the formula Al2Se3, what is the charge of the Aluminum and the Selenium?

A: First of all let us analyze the given structure of Al2Se3. The structure has two atoms of aluminium…

Q: The table shows the properties of silicon isotopes. Silicon Isotope Percent Abundance Mass Number…

A:

Q: Naturally occurring lithium consists of 6Li (6.0151 u) and 7Li (7.0160 u). What is the relative…

A: In chemistry, the relative abundance of an isotope is the percentage of atoms of a particular…