Decide which element probably forms a compound with hydrogen that has a chemical formula most and least similar to the chemical formula of the compound formed by hydrogen and selenium. Comparing chemical formula of compound formed with hydrogen: bromine rubidium iodine охудen most similar to selenium least similar to selenium

Q: Relate the atomic structure of osmium (Os) to its electronegativity, ionization energy, and ionic…

A: Electronegativity: If goes from left to right along the period the electronegativity increases and…

Q: a) The element Xenon (Xe) is rarely forming compounds. By knowing its position in the periodic…

A: Answer  Xe is the noble gas element which is present in…

Q: explain the structure of dichromate ion.

A: Molecular formula for dichromate is Cr2O72-.

Q: Mgo is a basic oxide Fa O TbO

A: Oxide are binary compound of oxygen with other elements. On the basis of chemical behaviour it is of…

Q: What is the general relationship between IE₁ and EN for the elements? Why?

A:

Q: The enthalpy change for the reaction between two molecules of carbon oxysulfide (COS) to form one…

A: Enthalpy change= -3.2* 10-24 KJ Convert KJ to KJ/mol = -3.2* 10-24 * 2* 6.023* 1023 = - 3.85472…

Q: how is the chemical bonding between atoms of magnesium different from the chemical bonding within a…

A: The bonding that exists between Mg atoms are metallic bonding and the bonding prevails in AlI3 is…

Q: The common hydrate of magnesium sulfate is heptahydrate, MgSO4∙7H2O. In the crystal structure, how…

A: Magnesium sulfate is also known as epsom..(MgSO4.7H2O)..

Q: cesium

A: According to the question, we need to determine which elements are expected to form covalent…

Q: which of the following statement is true? non-metals may gain electrons to form anions when forming…

A: The statements are explained as follows

Q: Silicon carbide (SiC) is an extremely hard substance used in bullet proof vests and other hard…

A: A question based on investigation of structure of solid. 6 options that affect the melting point of…

Q: you are building a bridge, and you want to use a metal with the strongest metallic bonds. which…

A: Metallic bonding is found in metals. It is formed between the positively charged metal ions…

Q: Describe the structures of atoms, ions, molecules, free radicals, and compounds.

A: Atoms are the basic unit of matter. It consists of 3 main subatomic particles  Electros-They are…

Q: a)Compare the electrón affinity of flouorine to the ionization energy if sodium. Does the process of…

A: The removal of an electron from the neutral atom furnishes the cation (X+). The cation adopts a…

Q: In a molecular substance like H₂O that has covalent bonds, we consider the electrons as being…

A: The molecular substance H2O consist of covalent bond which means the two hydrogen atoms and one…

Q: Explain formation of covalent bonds in the following chemical compounds (using three theories). NH,:…

A:

Q: The most electronegative element on the periodic table is: fluorine carbon O helium neon O hydrogen…

A:

Q: Which is more electronegative, oxygen or sulfur?

A: Electronegativity is the tendency of an atom to pull the shared pair of electrons towards itself. It…

Q: 4. Write the Lewis Dot formulas for Halon 1211 and chlorine gas. List a used for each material

A: Step 1:Halon 1211 us also called Bromochlorodifluoromethane (CBrClF2). We make its lewis structure…

Q: Briefly explain why steel, an alloy of iron, is usedto build the supporting structure of many…

A: Given: Why steel, an alloy of iron, is used to build the supporting structure of many buildings.

Q: The two discrete molecules, oxygen and sulphur exist in nature as O2 and Se even though they are…

A: Both oxygen and sulphur present in same Chalcogen group. Oxygen is present in second period of…

Q: Hydrogen react with other elements to form binary hydrogen compound, or also known as hydrides.…

A: Hydrogen is the element having atomic number 1.  It has a special place in the periodic table.

Q: what holds a unit together in a crystal of an ionic compound?

A: ●Ionic compounds held together by ionic bonds. ●The strong intermolecular force of attraction…

Q: A particular solid has a structure in which W atoms are located at the cube cornors, S atoms at each…

A: Formula of solid compound.

Q: Under what conditions, covalent molecules, is the solid state stable

A: Covalent molecule form by non metal-non metal interaction. When they form network solid by bonding…

Q: Which may form +1 or +3 ions, depending on the conditions? A) gold  B) postassium C) silicon

A: Transition metal placed between s-block and p-block elements and they are termed as d block…

Q: Write a balanced equation for when N2(g) and H2(g) form NH3(g).

A: Given : N2(g) and H2(g) form NH3(g)   To find:  Write a balanced equation for NH3(g)

Q: Explain the term crystal radii?

A: Crystal radius (Metallic radius) is one-half of the distance between the nuclei of two adjacent…

Q: Why is it that Xe, a noble gas element we normally think of as being unreactive can form covalent…

A: Electron configuration of Xe- [Kr] 4d¹⁰ 5s² 5p⁶

Q: The compound AlP is a compound semi-conducting material having mixed ionic an covalent bonding.…

A: Linus Pauling deduced an equation to determine the covalent character and ionic character in a…

Q: Explain the term "electron sea" in terms of metallic bonding and use it explain one of the…

A: Bond between metallic cation with neighbouring metallic cation by the delocalised electrons (sea of…

Q: Show the bond formation of Cesium and Sulfur

A:

Q: Suppose a chemist discovers a new metallic element and names it "Xhaustium" (Xh). Xh exhibits…

A: Xh(s) + F2(g) → XhF2(s)   Lattice energy for XhF2 -2140. kJ/mol First Ionization energy of Xh…

Q: For ionic bonds: They have high melting and boiling points O You must deterine the formula…

A: When atoms completely transfer electrons between each other the bond developed is known as an ionic…

Q: The following Lewis diagram represents the valence electron configuration of a main-group element.…

A: Since the number of valence electron in the Lewis diagram is shown 7  hence the element X belong to…

Q: Explain how the Periodic Table helps predict which kind of bond will form, and provide a mineral…

A: Periodic table has rows and columns. The row in periodic table are said row be period and column are…

Q: What is a metallic bond, as opposed to an ordinary covalent bond?

A: Metallic Bond:

Q: Which of the following would form an ionic compound with oxygen? a) manganese b) selenium O c)…

A:

Q: 70. Atoms of magnesium and oxygen form ions and ionic bonds in a similar way to atoms of sodium and…

A: The bond formed between a metal and a non-metal is known as an ionic bond. It is formed by a…

Q: What determines the physical properties of a substance? Group of answer choices Intermolecular…

A: The chemical properties of any substance is determined by the Nuclear composition and type of…

Q: What is the chemical formula of the ionic compound produced through the interaction of each of the…

A: 1(a) Li and S  The reaction of the above two elements is given below : 2Li  +  S  →  Li2S The ionic…

Q: Recall that nitrogen triiodide (NI3) is very shock-sensitive. Forming F2(g) from F− ions releases…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Which is formed from ionic bonding? NH3  Na2O C2N2

A: NH3 is a covalent compound formed between sharing of electrons b/w N and H atom. Na2O is an ionic…

Q: True or false: chlorine has a higher electronegtvity (EN) then sodium

A: Electronegativity is the property of an atom to attract electrons when present in the bonded form.…

Q: What is disproportionation? Explain by giving examples.

A: We can define disproportionation reaction as a redox reaction where both oxidation as well as…