What is the valence electron configuration for the Group 3A elements? How does metallic character change as one goes down this group? How are boron and aluminum different? A12O3 is amphoteric. What does this mean

Q: Which of the following properties is NOT a characteristic of the Group 1A(1) elements They are…

A: Step 1: Group IA elements are called as alkali metals and these all have one electron in their…

Q: Mention who discovered Boron and how, as well as the general properties of the Boron family group.

A: Boron was discovered by Joseph-Louis Gay-Lussac and Louis-Jaques Thénard, French chemists, and…

Q: 5. a) Explain the term periodic trend when applied b) Explain why atomic radius decreases across…

A: On moving from lithium to fluorine, atomic redius decreases. This can be explained by considering…

Q: Part A) Draw the Lewis dot structure for SiO44−. Use square brackets to denote the overall charge.…

A: Lewis dot structures represent the bonding between atoms or molecules with lone pairs on them.

Q: Give some examples of Metallic hydrides?

A: The examples of metallic hydrides has to be given.

Q: Write the balanced equation of the reaction between Al and oxygen in the presence of heat.   4.…

A: In the given question we have to write the balance equation of the following reaction.  3. Aluminium…

Q: What will happen to calcium phosphate Ca3 (PO4) 2 when heated from 60 ° C to 100 ° C?

A: The solubility product of Ca3(PO4)2 is 2.0 X 10-29

Q: How are Metallic hydrides formed?

A: ANSWERE IS DISCUSSED BELOW ;

Q: Name the three possible oxides which form with alkali metals and alkaline earth metals. Name one…

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Q: Nitric acid forms an oxide of nitrogen on reaction with P4O10. Write the reaction involved. Also…

A: The electron dot formula shows the valence electrons which form the bond between the atoms in a…

Q: 7. How many moles of white phosphorus (P4) fluoroapatite? can you produce from 1 ton of

A: The number of moles of a compound can be determined by the balanced chemical reaction. A reaction…

Q: In which one of the following reactions does sulfur disproportionate? O A. 2NAHSO3 + H2SO4 NazSO4 +…

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Q: How are ionic hydrides formed?

A: Ionic hydrides are compounds that form between hydrogen and highly active metals, mainly with the…

Q: Predict the products and write a balanced equation for the combustion of oxygen with C8H13OH.

A: Combustion reaction in which O2 is used with the reactant and CO2 and H2O is formed. This is…

Q: How many electrons does a halogen atom need to complete its octet? Give examples of the ways a Cl…

A: The number of electrons that are needed to halogen atom to complete its octet has to be given and it…

Q: Identify and account for the bonding sodium bromide (NaBr)

A:

Q: Write the balanced reaction for the synthesis of Al2O3 from its elements?

A: Since the synthesis reaction has formation of 1 mole of compound to be synthesise from its natural…

Q: Describe the structure of the octahedron?a

A: Octahedron is one of the structures of chemical compounds. Furthermore, structure of chemical…

Q: What is the mass percent of water in Zn(NO3)2·6 H2O?

A: First calculate the mass of water.

Q: What is the maximum mass of B4C that can be formed from 2.00 moles of boron(III) oxide?

A: Boron(III) oxide is B2O3 B4C can be prepared by the reaction B2O3 with carbon. The chemical reaction…

Q: Xenon can react with fluorine and form chemical compounds. Write the simplest chemical formula for a…

A: Given that, Oxidation state of xenon (Xe) in its compound with fluorine (F) is "+2" We need to write…

Q: Place the following in order of increasing acid strength. HlO < H1O 2 < HlO 3 < HlO 4;

A: Place the following in order of increasing acid strength ---

Q: The color of flame formed from carbon tetrachloride with Copper. O white O violet O yellow O green

A: When carbon tetrachloride is burned with copper then the colour of flame obtained is blue but blue…

Q: give the chemical react ion of Sodium and magnesium with Air, water and chlorine

A: (1) When sodium reacts with air , it forms sodium oxide and sodium peroxide - 4Na + O2 -----&gt;…

Q: Is MnO₄⁻ or ReO₄⁻ a stronger oxidizing agent? Explain.

A: Concept introduction: Oxidizing agent the substance that accepts electrons in a reaction and…

Q: Nitrogen is found in nature as N2(g). Would you expect phosphorus to be found innature as P2(g)?…

A: Nitrogen has a smaller size due to which it forms p∏-p∏ multiple bonds with itself. It has high bond…

Q: Explain why CO 2 is a gas at room temperature but H 2O is a liquid

A: There are three states of matter: Solid state Liquid state Gaseous state Non-polar covalent…

Q: Write the uses/ application of sb2O4( antimony tetroxide)

A: Sb2O4 known as Antimony tetroxide is an inorganic compound. The empirical formula of the compound is…

Q: Describe how sodium dihydrogen phosphate can be used as a pH buffering agent.&lt;

A: A buffer solution is one that can resists change in its pH on the addition of an acid or a base.  A…

Q: Does the metallic characteristic of a main-group element increase or decrease as we move down a…

A: The metallic characteristics of a main-group element increases as we move down a family because the…

Q: The Properties, Reactions and Applications of Oxygen Explain the classification of oxides as basic,…

A: We will answer all parts of questions

Q: You started your preparation of common alum with 1.4971 g of aluminum foil. What is the theoretical…

A: Formula of alum is KAl(SO4).12 H2O Molar mass is 474.38 g/mol We have to calculate theoritical…

Q: Which Group 5A(15) elements form trihalides? Penta-halides? Explain.

A: Introduction: Elements of group 5A(15)  are N, P, As, Sb and Bi. The electronic configuration of…

Q: Which noble gas is the most abundant in the universe? In Earth’s atmosphere?

A: Noble gases are the elements of group 18 of the periodic table. Another name given to them is inert…

Q: what is a balanced equation for the reaction of nonane,C9H20 , with oxygen O2?

A: The reaction of nonane with oxygen is a combustion reaction.  In combustion reaction, a hydrocarbon…

Q: 7. Write complete balanced equation for the following acid-base reaction: H;PO4(a9) + Ca(OH)2(aq) →

A: 2H3PO4 (aq) +  3Ca(OH)2 (aq)  --&gt; Ca3(PO4)2 (s)+  3H2O

Q: Saltpeter and Chile saltpeter are two important mineral sources for nitrogen. Calculate the mass…

A: Molar mass of saltpeter (KNO3) = 101.1032 g/molMolar mass of chile saltpeter (KNO3) = 84.9947…

Q: In which one of the following reactions does sulfur disproportionate?   A.  H2S(aq) + H2O  →…

A: Disproportionation reactions are intramolecular redox reactions, in which one element undergoes…

Q: am ns the hydrides of ing cases, give th

A:

Q: What is the difference between green hydrogen, blue hydrogen, and grey hydrogen? Discuss the methods…

A: Green hydrogen, blue hydrogen, and grey hydrogen are terms used to describe different methods of…

Q: List some properties of germanium, tin, and lead. Predict the formulas of the compounds formed when…

A: Discussing some properties of germanium : It exists in traces and is mainly recovered from flue…

Q: What is the net ionic equation of the reaction of FeCl2 with NaOH? what is the net ionic equation…

A: General steps to be followed to write net ionic equation : 1) Write the balanced moleculer equation.…