The melting points of alkaline earth metals are many timeshigher than those of the alkali metals. Explain this difference onthe basis of atomic properties. Name three other physical prop-erties for which Group 2A(2) metals have higher values than thecorresponding 1A(1) metals.

Q: Lithium salts are often much less soluble in water than the corresponding salts of other alkali…

A: When the amount of substance dissolved in a solution is maximum which is suppose x then that amount…

Q: Is each oxide basic, acidic, or amphoteric in water: (a) MgO; (b) N₂O₅; (c) CaO; (d) CO₂; (e) TeO₂?

A: Since we answer only upto 3 sub-parts so we'll answer first three sub-parts. Please resubmit the…

Q: An element forms an oxide, E2O3, and a fluoride, EF3.(a) Of which two groups might E be a member?(b)…

A: a) The oxidation state of E is +3 as it forms E2O3 and EF3 thus E belongs to 3A or 3B group.

Q: How does the basicity of SnO2 in water compare with that of CO2? Explain.

A: The basicity of SnO2 in water has to be compared with carbon dioxide.

Q: An element forms an oxide, E₂O₃, and a fluoride, EF₃.(a) Of which two groups might E be a member?(b)…

A: a. (a) When element E form oxide E2O3 then oxidation state of E is +3. When it forms fluoride EF3…

Q: What is the oxidation number of sulfur in Na2S2O5?

A: We know some Oxidation state like, Oxidation state of Oxygen = -2  Thus 5 oxygen means 5 x (-2) =…

Q: Select the member of group 4A that best fits each description:(a) forms chains to the greatest…

A: A given element is said to be metallic in nature if it can lose electrons while it is non -metallic…

Q: Is each oxide basic, acidic, or amphoteric in water: (a) SeO₂; (b) N₂O₃; (c) K₂O; (d) BeO; (e) BaO?

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Q: The melting points of alkaline earth metals are many times higher than those of the alkali metals.…

A: Alkaline Earth Metals have two valence electrons while the alkali metals have one valence electrons.…

Q: Write the chemical formula for each of the following, andindicate the oxidation state of the halogen…

A: (A) calcium hypobromite- Ca(BrO)2, halogen- Br, oxidation state of Br is "+1" (B) bromic acid-…

Q: The lanthanide elements reacts with oxygen to give compounds of the type Ln2O3.However,the are…

A: Answer: a. Mass percentage of Tb is 73.945% Mass percentage of O =…

Q: Complete and balance the following equations:(a) An active metal reacting with acid,…

A: A chemical reaction is the symbolic representation of the conversion of substances to new…

Q: In some reactions, Be behaves like a typical alkaline earth metal; in others, it does not. Complete…

A: To find: Complete and balance the given equation and  Determination of reaction in which Be behave…

Q: Why is BiH3 the strongest reducing agent amongst all the hydrides of Group 15 elements?

A: Reducing nature is inversely related to the stability of the hydride of the element. Means on…

Q: Compare and contrast the chemistry of group 1 elements with that of group 2 on the basis of  the…

A: 1) compare of oxides of group 1 and 2 elements - Group 1 metals are very reactive with oxygen and…

Q: Semiconductors made from elements in Groups 3A(13)and 5A(15) are typically prepared by direct…

A: Given: Mass of molten gallium     = 32.5 g Volume of molten gallium = 20.4 L Temperature…

Q: Name the following compounds and assign oxidation states to the halogens in them:H5IO6

A: H5IO6 is called as periodic acid

Q: Provide the balanced equation showing the reaction of any one Group 1 metal with water

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Q: Write the formulas for the following compounds, andindicate the oxidation state of the group 4A…

A: Since your question has multiple subparts, we will solve only first three subparts for you. If you…

Q: An impure magnetite (Fe3O4) sample weighs 0.5023 g. This is converted to Fe2O3 by chemical…

A:

Q: Hydrogen is by far the most abundant element cosmically. Ininterstellar space, it exists mainly as…

A: Hydrogen is the simplest element containing only one proton and one electron. The molecule of…

Q: Write the formulas for the following compounds, andindicate the oxidation state of the group 4A…

A: (a) The formulas for Silicon dioxide is SiO2. The oxidation state of the group 4A element Si is -4.…

Q: Write the chemical formula for each of the following compounds,and indicate the oxidation state of…

A: Chemical formula represents the chemical proportions of atoms in a molecule. Group 6A of the…

Q: (i) The acidic character of hydrides of group 15 increases from H2O toH2Te. Why?(ii) Dioxygen is a…

A: Since your question has multiple parts, we will answer the first part for you. If you want residual…

Q: How does the basicity of SnO₂ in water compare with thatof CO₂? Explain.

A: The molecules given are SnO2 and CO2.

Q: Consider the production of 100 kg of sodium metal using a current of 50,000 A, assuming a 100%…

A: (a) Given mass of Na metal (w) = 100 kg = 105 g Electric current (I) = 50,000 A Na+ + e- → Na(s)…

Q: Why is it important to know the reactions of alkali and alkaline metals in metallurgical processes?

A: Alkali metals are group 1 elements like potassium, sodium, Lithium, cesium, rubidium etc. Alkaline…

Q: Selenium is prepared by the reaction of H₂SeO₃ with gaseous SO₂. (a) What redox process does the…

A:

Q: Which of the following statement(s)is/are correct concerning Group 17(Group VII) elements? They will…

A: The elements present in Group 17 (Group VII) are F2 - Fluorine Cl2 - Chlorine Br2 - Bromine I2 -…

Q: Why is boron limited to a maximum coordination number of four in its compounds?

A: The element Boron belongs to the p-block where the last electron must enter into the p-subshell. The…

Q: What is the oxidation state of tungsten in WO2?

A:

Q: Which alkali metal ion has maximum ionic mobility in aqueous solution?

A: The capability of ions to move upon the effect of electric field through a medium is termed as ionic…

Q: Some of the water on Earth was formed by reactions of iron and silicon oxides and methane. Write the…

A: To write the balanced  equation for the reaction of ferric oxide and methane

Q: Consider the given Ellingham diagram. At 1000 °C, which among Mg, Al, and Zn can be extracted from…

A: Given:  Ellingham diagrams are plots of standard free energy change versus temperature for the…

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

A: When sodium metal reacts with oxygen it forms Sodium peroxide. 2Na(s) + 02(g) --> Na202 (s)

Q: Write a chemical formula for each compound or ion,and indicate the oxidation state of the group 5A…

A: Solution: a)Phosphate ion: Chemical formula of phosphate ion is PO43-. Phosphorus (P) is the 5A…

Q: Name the following compounds and assign oxidation states to the halogens in them: (a) KClO3

A: The given compound is KClO3 To find: Name of the given compound Oxidation state of the halogen

Q: Write the chemical formula for each of the following compounds, and indicate the oxidation state of…

A: Chemical formula represents the chemical proportions of atoms in a molecule. Group 6A of the…

Q: Write the chemical formula for each of the following compounds,and indicate the oxidation state of…

A: (a) The chemical formula of sulfur tetrachloride is SCl4 Sulfur is the Group 6A element present in…

Q: 1.Which of the following is the principal combustion product of Na metal? a.NaO2 b.Na2O2 c.Na2O…

A:

Q: Some of the water on earth was formed by the interaction ofiron and silicon oxides and methane.…

A: When chemical substances combine such that their ionic or molecular structures change to generate…

Q: Hydroxylamine 1NH2OH2 reduces copper(II) to the free metal in acid solutions. Write a balanced…

A: Introduction: We have to balance the reaction between hydroxylamine and Cu2+.

Q: A common method for producing a gaseous hydride is totreat a salt containing the anion of the…

A: A gaseous hydride can be produced by treating the salt with a strong acid and even a weak acid like…

Q: Nearly every compound of silicon has the element in the 4 oxidation state. In contrast, most…

A: Part(a): Both Si and Pb belong to same group 14. Pb is down the group and Si is top the group. As we…

Q: Write a molecular formula for each compound, and indicatethe oxidation state of the group 5A element…

A: Phosphorous Acid Molecular Formula of Phosphorous Acid is H3PO3. Ions Present in Phosphorous Acid…

Q: Many lithium salts are hygroscopic (absorb water), whereas the corresponding salts of the other…

A:

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.