Arrange the following elements in order of decreasing metalic charector O Zn F Al C Sr

Q: The atomic size of zirconium is smaller than O niobium O Yttrium O Molybdenum O None of the above

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Q: An element reacts with oxygen to give a compound with a high melting point. This compound is also…

A:

Q: Complete and balance the following:(a) As(s) 1 excess O2(g)→(b) Bi(s) 1 excess F2(g) →(c) Ca3As2(s)…

A: A balanced chemical is equation has equal numbers of atoms for each element involved in the reaction…

Q: Lanthanide contraction caused the similarities of the radius of the 4d and 5d metals and is…

A: Answer: Shielding of valence electrons from the Nucleus by the electrons present in the inner energy…

Q: 96 Report Sheet • Activity Series 6. Complete and balance the following: the lowest energy level for…

A: Please find below the complete reaction Mg(s) + O2 (g) ---> MgO (s)…

Q: OXidizny 9qt A dueot acceptr relesse elecron Ckiestour 14. The second ionizationlenergies for the…

A: Ionization Energy - It is the energy required to take out an electron from an atom or an ion.

Q: 1. Determine if the oxide is acidic or basic: CO: a. Acidic b. Basic 2. Determine if the oxide is…

A: Acidic oxides : oxides that reacts with water and produces an acid. Example : most of the non-metal…

Q: 80. The halogens form oxoacids with different amounts of oxygen. Explain why HCIO4 is a stronger…

A: See explanation below.

Q: Determine the highest possible oxidation state for element. V

A: The term oxidation state is also referred to as oxidation number. It describes the degree of…

Q: Predict whether each of the following oxides is ionic ormolecular: SnO2, Al2O3, CO2, Li2O, Fe2O3,…

A: The compounds made up of a metal and a non metal tend to be ionic substance and compounds made up of…

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: Identify the following hydrides as ionic, metallic, or molecular:(a) BaH2, (b) H2Te, (c) TiH1.7.

A: The hydrides are mainly generated by combining H-molecule with any metal. In hydrides, H-atom…

Q: Complete and balance the following:(a) As(s) +excess O₂(g)→ (b) Bi(s) excess +F₂(g) →(c)…

A: The balanced equation is an equation representing a chemical reaction, which has the balanced mass…

Q: Question six

A: Reduction of Nickel (II) oxide to Nickel Metal:

Q: <p>Which element has the higher ionization energy, Cu or Au?

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number.…

Q: Which of the following elements is easiest to ionize (has the lowest ionization energy)? O A. Si O…

A: Ionisation energy is the minimum amount of energy required to remove the outer most electron from an…

Q: predict the reaction (or N.R.) of cobalt with tin(IV) chlorite (If a reaction occurs, use the…

A: In electrochemical series of elements, Cobalt (Co) is present Below Hydrogen, and it has standard…

Q: Rank these elements according to first ionization energy. Highest to lowest. K Ge Br Ca Kr Se

A: The first ionization energy of an element is the minimum amount of energy required to remove the…

Q: cthe unbalanceel 27.) The Girap 2 metals(Ba state by the feaction of t temperatuees,alz produ…

A: BaO, SrO ,CaO

Q: Which group of metals are the most reactive? Group of answer choices A. alkaline earth B. transition…

A: Given group of metals A. alkaline earth B. transition C. alkali   group of metals are the most…

Q: Arrange the following elements in order of increasing ionization energy (lowest first). = Mg = Al =…

A: Ionisation energy is defined as the energy needed to remove the outermost electron from any isolated…

Q: TRUE OR FALSE Fe(NO3)3 is an acidic salt.

A: Acidic salt is the salt which on dissolution water gives H+ ion so the solution becomes acidic in…

Q: rank the following atoms in. order of increasing electromagtivity N F C B

A: • The given elements are ,  N ( Nitrogen,atomic number =7 ), F ( Fluorine, atomic number =9 ), C (…

Q: 7.9 Which of the following oxides are likely to be acidic, basic or amphoteric in aqueous solution:…

A:

Q: (a) One of the alkali metals reacts with oxygen to form a solidwhite substance. When this substance…

A: The periodic table is the representation of the elements in the increasing order of their atomic…

Q: Describe the Disproportionation of chlorine with cold and hot alkali.

A: In alkaline medium ,Halogens involve in Disproportionation reaction (except F) In this type of…

Q: When solid CrO3is dissolved in water, the solution is or-ange rather than the yellow of H2CrO4. How…

A:

Q: (a) Coi've 9 Solenerel chomicut equation inculating those when a non metal oxide is added to water.…

A: Answer: In this question chemical equation of 3 types of reactions has been asked: 1. Addition of…

Q: Place the following elements in order of increasing atomic radius. As O B   O < As < B As < O < B B…

A:

Q: Which of the following are main group elements. Choose all that apply. Sb Cu Ca V None of the Above

A: Main group elements are member of s-block and p-block.

Q: Which of the following statements is/are TRUE? Choose all that apply. O Select all that apply Mg has…

A: Electron Affinity - It is the energy released from a neutral atom when an electron is added to it in…

Q: What will you use (OA or RA) to make possible the following reactions ? OA= Oxidising Agent ,…

A: We know that  Oxidizing agent :  oxidizing agent is substance that have ability to oxidise other…

Q: is Is, 22p", 3 3p . The electron configuration of Select one OA Ga OB Ca OCK OD Ge OE A The name of…

A: Electronic configuration of an atom can be defined as the distribution of electrons in orbitals of…

Q: 1. For Zn,Cuz.xInı„S2 and Zno.44Cuo.78IN0.7852, use the oxidation state of each element to show how…

A: The oxidation state of Zn is +2. The oxidation state of Cu is +1 in stable salts. The oxidation…

Q: Tripotassium phosphate (K;PO,) is used as a weak base in organic synthesis. Identify the type of…

A: Given that,  Tripotassium phosphate (K3PO4) is used as a weak base in organic synthesis  We need to…

Q: trogen tetroxide is a colorless gas while nitrogen diaxide is a brown gas, what color do you predict…

A: We will follow Le chatelier's principle. Le Chatelier's principle says that if a system is in…

Q: 32 Which of the carbonates below are NOT decomposed by heat? LiCO and NazCO: CACO, and LICO: CACO,…

A: For question 32; Sodium Carbonate and Potassium Carbonate are thermally stable compounds so they do…

Q: The halogen in the second period. CI Br O.F O At

A:

Q: Burning of Magnesium with Oxygen produces white flame color and forms _.   a. MgO  b. O2   c. H2O…

A:

Q: Arrange the following elements in order of increasing the first ionizination energy :Na,K,Cl

A: The energy required to remove the loosely bounded electron from the valence shell of an isolated…

Q: Which element has a strong s-p interaction? a) neon b) boron c) oxygen  d) hydrogen e) lithium

A: The sp mixing of orbitals in a molecule depends upon the energy gap between s and p orbitals. Higher…

Q: MCQ 119: When magnesium is burnt on Bunsen burner it gives flame of color A. bright white B. off…

A: In this question we have to find out the color of flame when the Magnesium is burnt on Bunsen…

Q: shield

A: Yes, it is true .electrons in higher concentration shield electrons in lower concentration.

Q: Name the following according to the rules provided in this course: a) Nag[FeBr] b) [Cr(CN)2(H2O)]²+…

A: Answer:- This question is answered by using the simple concept of writing the name og the complex…

Q: Which of the following gases contain a halogen? O HS O NO, O He O Co O HCN O HF O CI, O N,O Ar o, Ne…

A: According to the periodic table, halogens are members of group 17 .  Elements of halogen groups are…

Q: Write balanced equations for the reactions of the group 1A and2A metals with water, oxygen,…

A: Group 1(a) is alkali metals and group 2(a) is alkaline earth metals and their reaction is given as:…