The element sodium is most likely to • View Available Hint(s) be shiny. conduct heat and electricity. melt at a high temperature. all of these

Q: Identify the block in the periodic table of metals that tend toform more than one type of ion.

A: The periodic table consists of four blocks: s-block: Group 1 to group 2 p-block: Group 13 to group…

Q: nee for this question. The following Lewis diagram represents the valence electron configuration of…

A: Given :  Lewis diagram  : X    To determine :-  Group no. of element  Charge  Nearest noble gas…

Q: Consider the following forms of carbon. When compared to diamond, these substances would fit into…

A: Carbon is a chemical element with the symbol C and atomic number 6. It is a non-metallic element and…

Q: Write a feature which will distinguish a metallic solid from an ionic solid.

A: Introduction : We have to tell one feature how metallic solid is different from ionic solids .

Q: A chemist analyzes a white solid compound and finds that it does not dissolve in water.  When the…

A: The polar or ionic compounds dissolves in polar water solvent. The covalent compounds are non polar…

Q: Does Xenon and radon make a ionic compound, molecular compound, or neither?

A: Xenon and radon are noble gases; noble gases are inert and highly stable at ordinary temperature due…

Q: Metals can be rolled into sheets and stamped into various forms. In contrast, diamond is very hard…

A: Metals posses the property of being cast into sheets and other forms while as diamonds do not…

Q: 3. Xenon is a noble gas. What must happen for Xenon, or any other noble gas, to be able to form…

A: The noble gases have filled ns2np6 electronic configuration in their valence shell. They have very…

Q: Water and hydrogen peroxide. are the same because they contain the same elements O True False

A: Elements combine together to form molecules. Different elements can combine together to form two or…

Q: Who discovered the noble gas Xenon?

A: Xenon is a chemical element with the symbol Xe and atomic number 54. It is a colorless, dense,…

Q: What information do you need to write a correct chemicalformula to represent an ionic compound?

A: Ionic compound The compound that is formed of positively charged and negatively charged ions,…

Q: silver nitrate + sodium chloride → silver chloride + sodium nitrate List two physical / chemical…

A:

Q: Predict the ion generally formed by (a) Sr, (b) S, (c) Al.

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Q: Predict which the following ionic substances would have the lowest melting point. Al₂O3 AIN O MgO O…

A:

Q: Arrange the following ions in order increasing ionic radius: calcium ion, potassium ion, phosphide…

A: Cations have smaller size than neutral atom. Anions have large size than neutral atom. Cation size…

Q: Decide which element probably forms a compound with hydrogen that has a chemical formula most and…

A: Here most likely compound means its formula that means valency will be same with selenium and the…

Q: From the image provided, choose TWO element samples that appear to have different physical…

A: From the given elements sample of two can be choosen based on their names.

Q: 21. Based on your understanding of the relationships between the structures and physical properties…

A: Metals have high melting point. Generally metals are hard except Li, Na and K. Metals are soluble in…

Q: In order for sulfur to be a neutral atom it must have how many electrons

A: To be a neutral atom, it must have proton number is equal to the electron. If electron number is…

Q: What are the chemical formulas for ( a ) disulfur dioxide and ( b ) iodine pentafluoride ?

A: ANSWER   Chemical formulas for ( a ) disulfur dioxide and ( b )…

Q: Which elements (Groups) of the periodic table provide the most unstable ions (anions)? Give the name…

A:

Q: Predict the chemical formulas for the binary compounds that hydrogen forms with the elements…

A: Binary compounds are compounds which have only two different type of elements .  To predict the…

Q: Which ionic compound is expected to form from combiningthe following pairs of elements? (a) barium…

A: (a)Barium belongs to group 2 of the periodic table so, it has 2 valence electrons. It is a metal so…

Q: In complete sentence, describe the similarities and differences between: a neutral atom and an ion…

A: Element is made up of atom as basic unit. Atom has a positively charged protons and negatively…

Q: 1.Draw the electronic diagrams for the following compounds (showing outermost shell   electrons…

A: Elements can form bond between them by sharing of their valency electrons. The possible molecule are…

Q: Decide

A: Hydrogen and oxygen form H2O Compound

Q: element #1 element #2 compound formed? chemical formula ionic barium beryllium O molecular O neither…

A: Ionic : ionic compounds are formed by the formation of electrostatic bonds .  Covalent: these…

Q: write formulas for the hydrogen and oxygen compounds of the following elements. Answers should be in…

A: We have to write formulas for the hydrogen and oxygen compounds of the given elements

Q: Match the following characteristics to the compound type    Low weight are gases are room…

A: Given compound types - Ionic, Covalent , Metallic   Ionic compounds are the compounds made up of…

Q: Hybridization Nết Dipole? Steric Number Overall Electron Pair Geometry Formula Lewis Bond Angle(s)…

A: NOTE : Since you've posted multiple sub-parts,we're solving first three sub-parts for you. To get…

Q: What is the chemical formula for the compound formed between manganese(IV) and chlorine?

A: Manganese (Mn) is a transition element and Mn is present in +4 oxidation state . Cl (atomic number =…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.