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: 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: As you move down Group 5A(15), the melting points of the elements increase and then decrease.…

A: Solution- An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These…

Q: Write the net ionic equation for the reaction of copper (2) sulfate with sodium hydroxide.

A: The net ionic equation for the reaction of copper sulfate with sodium hydroxide has to be drawn.

Q: Using the periodic table to locate each element, write the electron configuration of (a) V; (b) Y;…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

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: The key reaction (unbalanced) in the manufacture of syn-thetic cryolite for aluminum electrolysis is…

A: The balanced chemical equation is as follows, The moles of Na3AlF6 is calculated from aluminium…

Q: equilibrium reactions and equations

A: Precipitation reactions occur when cations and anions in aqueous solution combine to form an…

Q: Summarize the physical properties of the elements ingroup 14.

A: The elements present in group 15 are Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn), Lead (Pb),…

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: How do the transition metals in Period 4 affect the pattern ofionization energies in Group 3A(13)?…

A: Concept introduction: Ionization energy: The required energy to remove an outermost electron from a…

Q: Complete and balance the following equations. If no reactionoccurs, write NR:(a) Cl2(g) + I2(aq)…

A: Greater the reduction potential of a substance, higher is its oxidizing power. Fluorine gas (F2) has…

Q: The alkali metals play virtually the same general chemical role in all their reactions. (a) What is…

A:

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: Mass of KxFe(C2O4)y · zH2O : 4.70 g Mass of sample : 0.175 g Mass of FeCl3 used in preparation :…

A: Mass of KxFe(C2O4)y · zH2O : 4.70 g Mass of sample : 0.175 g Mass of FeCl3 used in preparation :…

Q: Vanadium can be obtained by processing VO2 Which is 61.42% vanadium  and 38.58 % Oxygen. What mass…

A: Provided %of V in VO2= 61.42% Provided % of oxygen in VO2= 38.58% Let (w) mass of VO2 is needed to…

Q: Elemental Li and Na are prepared by electrolysis of a molten salt, whereas K, Rb, and Cs are…

A: a) Aqueous salt solutions are mixtures of ions and water. When two half-reactions are possible at an…

Q: Summarize the chemical and physical properties of (a) the alkali metals, and (b) the alkaline earth…

A: Alkali metals are group 1 elements with one electron in its valence shell. Alkaline earth metals are…

Q: Boron’s chemistry is not typical of its group.(a) Cite three ways in which boron and its compounds…

A: (a) All Boron compounds are covalent whereas the other elements in group 3A (13) forms mostly ionic…

Q: Write equation for the reaction of: (i) Iron with steam(ii) Calcium and potassium with water

A:

Q: A pyrite rock is mainly composed of FeS2 and inert. If a pyrite rock contains 48% Sulfur, what is…

A: the pyrite rock has 48% suphur, and rest iron and inert FeS2. inert therefore,  iron and inert…

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

A:

Q: Mass of KxFe(C2O4)y · zH2O : 4.70 g Mass of sample : 0.175 g Mass of FeCl3 used in preparation :…

A: The given compound first undergoes dissociation in its aqueous solution as,

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: Describe the following :(i) The role of cryolite in electro metallurgy of aluminium.(ii) The role of…

A: In the extraction of pure metals, certain compounds or derivatives are used to ease the reaction and…

Q: A slag sample is known to contain all of its iron in the forms of FeO and Fe2O3. A sample of 1,000 g…

A: Redox reactions are the reaction that involves simultaneous oxidation and reduction reactions. A…

Q: The most important oxides of iron are magnetite, Fe3O4, and hematite, Fe2O3. What are the oxidation…

A: metals are found in nature as their ores.Fe has two ores magnetite and hematite.oxidation state is…

Q: Give the name and symbol or formula of a Group 7A(17)element or compound that fits each description…

A: Hello. Since the question contains multiple subparts the first three subparts are solved. In case…

Q: What is an allotrope? Name two Group 4A(14) elementsthat exhibit allotropism, and identify two of…

A: The element of group 4A(14) is shown below: Carbon (C) Silicon (Si) Germanium (Ge) Tin (Sn) Lead…

Q: Why does the reactivity of the alkali metals decrease from cesium to lithium?

A: The alkali earth metal include: Li, Na, K, Rb and Cs. They have a valence electron configuration…

Q: What would happen to the spinach TLC plate in the lecture of the plate was run with 100% petroleum…

A: The objective of the question is to predict what happens if spinach TLC plate was used in petroleum…

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.