What is the formula for K+ + CO23

Q: C) Justify each of the followings: 1) Nitrogen is very unreactive 2) Graphite conducts electricity…

A: (1) Nitrogen  is very unreactive as it contains a triple bond between it in the case of a molecule…

Q: What mass in grams of Na2S2O3 is needed to dissolve 6.3 g of AgBr in a 1.0 L solution if Ksp for…

A: The given data contains, mass of Na2S2O3 = 6.3 g. Volume = 1.0 L Ksp of AgBr = 3.3×10-13 Kf of…

Q: Write the electron configuration for the following transition metals: a) Ni²+ b) Ag* c) Fe2+ d) Mn2+

A: Four questions based on electronic configuration of certain transition metals, which are to be…

Q: What is the % potassium in 1.0 mole of K2PTC16? (K= 39.1, Pt 195.08, CI = 35.45)? a. 1.6% b. 6.1%…

A: Given: Moles of K2PtCl6= 1.0 mol Molar mass of K = 39.1 g/mol Molar mass of Pt = 195.08 g/mol Molar…

Q: Co

A: Isotopes : if two same element have same atomic number but atomic masses are different then we can…

Q: Which element is a row 5 transition element?(a) Sr(b) Pd(c) P(d) V

A: The element which belongs to row 5 transition element has to be given.

Q: what is the physical state of element Co? what is the physical appearance of element Co? what is…

A: Cobalt is a d - block element. It's atomic number is 27 and atomic mass is 58.933 g/mol. It is…

Q: 2) What is one of the major hazards associated with potassium dichromate?

A: Potassium dichromate molecular formula is K2Cr2O7.

Q: Account for (explain the reason for) the difference in acidity. HO-AS-OH HO-As-OH OH pKa= 2.12…

A:

Q: or selenium (#34)?

A:

Q: What is the chemical name? FeCl2

A: FeCl2 is a paramagnetic solid with a high melting point. The compound is white, but typical samples…

Q: 4. Which of the following elements is the least reactive metal? а. К C. Mn b. Ca d. Zn O A O c O D

A: Concept is based on Reactivity series of elements.

Q: what are the groups of Elements that are the most chemically active?

A: Reactivity of species is predicted by their valence electrons or simply known as "valency". Lesser…

Q: 3 Fe ions were formed. How many electrons were removed? Fe → Fe+3 + 3e

A: we have to calculate the number of electrons removed when 3 Fe ions are formed

Q: For the following compounds, what is the charge of the transition metal? AgNO3 TiO2 Iron (II)…

A: The charge on the transition metal can be calculated as shown below

Q: Write the electron configuration for the following transition metals:   a) Ni2+ b) Ag+ c) Fe2+…

A: Electronic configuration of given transition elements as follows

Q: When Au comes into contact with Ag, it creates a solid solution that is called a substitutional…

A: Given: mass of Au = 10 % mass of Ag = 90 % Pure Au has a density of 19.32 g/cm3  pure Ag has a…

Q: dy 4.1. MetaliIs an element that readily produces positive ions (cationsl and has metallic bonds to…

A: Heavy metals refers to any metallic chemical element that has relatively high density and is toxic…

Q: Silver has two isotopes that are common  in nature. Ag - 107 and  Ag - 109. What  makesthese  two…

A: The solution is given below -

Q: For each of the following, give the most specific classification according to type of matter:…

A: Generally, each and everything in the universe that has some mass and some space is known as matter.…

Q: QUESTION 3 For each of the following, give the most specific classification according to type of…

A: Compound which is formed by mixing of elements. Ions are formed by loose of electron and gain of…

Q: What is the pKa of the NH4+ ion?

A: Given, NH4+ ion

Q: For each of the following, give the most specific classification according to type of matter:…

A: Compounds are classified in a group according to their nature or physical and chemical properties or…

Q: what is the formula for the element.  Mn(CO 3 ) 2 (aq)

A: The given compound is Mn(CO 3 ) 2 (aq) .Here we have to write the formula of Mn.

Q: Iodine (I) would have chemical properties most similar to which of the following elements Te Rb…

A: Generally we know In periodic table there are 7 periods and 18 groups. Now in a group, all elements…

Q: 9. Give the net ionic equation for the following: N22SO4(aq) + Ga(NO3)3(aq) - → ee

A: Net ionic equation :-       The net ionic equation is a chemical equation for a reaction that lists…

Q: Which one of these elements is a transition element? Select one: a. Pb b. Sr c. H d. Fe e. As

A:

Q: What is the electron configuration for P 3- Ion?

A: Electronic  configuration  tell no of electron  present  in each orbital.

Q: what is iodine 131 electronic arrangement

A:

Q: Make the structure based on the Blomstrand-Jorgensen Theory and Werner Theory also calculate the…

A: Effective atomic number (EAN): According to this rule,the ligands donate t+ electrons to the central…

Q: Determine whether or not each element is a transition element.a. Crb. Brc. Mod. Cs

A: Transition elements are metals having variable valences and have partially filled d or f orbitals.…

Q: Is Gd considered a F-block element, main group element, transition metal, or halogen? main group…

A: Gd is an atomic symbol of the Gadolinium element and has an atomic number of 64. Gadolinium is a…

Q: Identify which of the following atoms would have the largest radius. A) Mg B) Mn C) Ba D) Bi E) Br

A: As we move from left to right in a period then radii decreases. As we move from top to bottom then…

Q: 19 - Which of the given elements has similar properties with iodine (I) A) Br B) Te C) Ar D)…

A: Generally, the elements of a given group have similar properties due to similar general electronic…

Q: Highest ionization energy Kr Br Se As Ge Ga Ca Lowest ionization energy

A: Arrange these elements according to firsts ionization energy ?

Q: 79) 79.) In each of the following groups,which element is leost reuctive? Group ! a. b.Group 7 C.…

A: The most fundamental classification of the chemical elements is into metals and non-metals. Metals…

Q: What is the charge for the transition metal Manganese in Manganese (III) oxide? A.+1 B.+2 C.+3…

A: Transition metals are d bolck elements in periodic table. They shows variable oxidation states.…

Q: 7. which isotope of phosphorus kept under water red Black white violet

A: Answer :- White  -------------------------------------------------------------------------

Q: [Review Topics] [References] An experiment was run to demonstrate that a dynamic equilibrium exists…

A: Given : special form of Cobalt tetrachloride complex.  To find : structures of equilibrium is not…

Q: 나 n 4. ar 3.27

A: PH = - log (H+) This question can be  solved by this formula which is given below

Q: Write the electron configurations for each of the following elements:(a) Sc(b) Ti(c) Cr(d) Fe(e) Ru

A:

Q: Which of the following statements is true about actinoides are all synthetic elements O include…

A: Actinoids series consists of 15 metallic chemical elements with atomic number from 89 to 103.

Q: What is an alkali

A: Earlier, the alkalinity and acidity of a compound were determined by its taste. The alkali and acid…

Q: What is the percentage of metal in the compound Iron (III) Chromate (Fe2(C О А. 24.30% о в. 58.23% О…

A: Calculate percentage as below

Q: A 10 μL aqueous sample containing 1 attogram of Rb+ was injected into a graphite furnace atomic…

A: The molarity of the substance is the number of moles of solute in one liter of solvent. Saturated…

Q: . The 0:"O abundance ratio in some meteorites is greater than that used to calculate the

A:

Q: 3. Place the atoms and/or ions in order increasing atomic radius a. Cu, Cu*, Cu²+ b. S, S2-

A: Size of different atoms and ions depends on their number of protons  and number of electrons, which…

Q: 165 21. Identify the neutron-to-proton ratio for the isotope 67H0 and determine if the isotope is…

A: Identify the neutron-to-proton ratio in the given nuclide--