Na(s) C2(g) NaCl(s) forms Highly exothermic reaction forming sodium chloride, an ionic compound composed of sodium ions, Nat, and chloride ions, CI- Electrons transfer from Na(s) to Cl2(g). forming Nat and CI A Figure 8.3 Reaction of sodium metal with chlorine gas to form the ionic compound sodium chloride.

Q: Assume that you have these materials: a) Li (s); b) Br2 (l); Ge (s) and d) Si(s). Choose the best…

A: For a good electrical conductor, material should have free electron to move.

Q: What correlation, if any, exists for the Period 2 elements between group number and the number of…

A: The number of electrons in an element is equal to its atomic number. In order to become stable an…

Q: 24. Which member of the following pairs has the larger radius? Provide your reasoning. (d) Nat or K…

A:

Q: Why is Iron (II) oxide not similar to copper (I)oxide

A: Iron (II) oxide contains iron (II) ion and oxide ion. copper (I) oxide contains copper (I) ion and…

Q: Despite the expected decrease in atomic size, there is an un-expected drop in the first ionization…

A: Ionization energy is the energy that is required to remove an electron from a gaseous atom or ion to…

Q: What is lithium?

A: Pure substances that are made up entirely of atoms and have the same number of protons in their…

Q: Why Lanthanoides and actinoides are placed at the bottom of the periodic table?

A: The reason why lanthanoids and actinoids are found at the bottom of the periodic table has to be…

Q: Which is a stronger acid, sulfurous acid or sulfuric acid? Why?

A:

Q: Cesium tends to be the most reactive of the stable alkali metal. What atomic property of radioactive…

A: Cs is considered to be a radioactive metal. It is larger in size and its reactivity is very high. If…

Q: Describe the trend in acid – base behaviour of the Period 3 oxides based on the above reactions,…

A: This question is related to periodic properties.  Generally, the electropositive character of the…

Q: Explain quaternary Metal oxides?

A: Metal oxides are made up of metal cation and oxygen anion. for distinguishing the metal oxides , one…

Q: ) Give the symbol of the alkaline earth element with the largest radius.

A: The answer of following question is given below.

Q: In contrast to sodium, why would calcium, with two electrons in the outer shell, react with two…

A: A bond is an attractive force between any two entities. It can be covalent, ionic, coordinate, etc.…

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

A:

Q: Is the reaction of rubidium with water more or less vigorous than that of sodium? How does the rate…

A: The chemical reactivity indicates the readiness of a compound to take part in a chemical reaction.…

Q: 6 28 From the following lists of metals, select those that would (1) react with water; (2) react…

A: We will consider following metals - Au, Be, Bi, Ce, Fe, Ga, Ir and Pu And catagorise them on basis…

Q: Which species below will require the most energy for the removal of a valence electron? (A) Na+ (B)…

A: When an electron is removed from the outermost shell of an isolated gaseous atom the amount of…

Q: Why alkali metals donot exist as free in nature?

A: Alkali metals are s-block elements or 1A group elements.  These metals have only one electron in the…

Q: why iodine is dark violet in colour?

A: Visible region: The electromagnetic radiation in range of is regarded as visible region which is…

Q: Define the term, Boron?

A: Solution- Boron is a chemical compound which is found in nature. In the periodic table no of the…

Q: Explain the fact that hydrated salts of beryllium are acidic whereas hydrated salts of magnesium are…

A: Answer: Beryllium is a smaller cation than magnesium, with a higher charge density due to its…

Q: If copper is able to displace magnesium, and magnesium is able to displace lead, what does this mean…

A: From the given data we can infer that , Copper is more reactive than magnesium , and Magnesium is…

Q: Do you expect fluorine to be the strongest or weakest oxidizer among the halogen family? Which halid…

A:

Q: Does sodium sulphide and calcium permanganate and iron oxide and nitride oxide and carbon fluoride…

A: In the given chemicals, sodium, calcium and iron are the metal ions.Calcium is an alkali metal and…

Q: how can you diffrentiate between lanthanides and actinides ?

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

Q: 5. What would you predict about the solubilities of beryllium salts and radium salts relative to the…

A: If we compare the solubility of beryllium salts to the other Group IIA metal salts, we will notice…

Q: 8a) Sketch a diagram showing the formation of energy levels from the valence orbitals for Rb, Rb2,…

A: a). We are given a crystal of Rb The formation of energy levels from the valance orbitals for Rb,…

Q: Why KMNO, is stored in amber colored bottles?

A: Amber coloured bottles have an ability to filter UV (ultraviolet) radiation thereby protect the…

Q: Using equations, describe the reaction of water with potassium and with potassium oxide.

A: Potassium is an element that belongs to group 1 which are called active earth metals.Hence,Potassium…

Q: Why is there objection in the use of Hydrogen Sulfide in group 3 cations?

A:

Q: What is the zeff, atomic radius, and ionization energy of Arsenic?

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: Why ZnO appears yellow on heating?

A: The interruption of patterns in the solid crystal leads to the formation of defects.Stoichiometric…

Q: explain Tertiary Metal Oxides?

A: Metal oxides are of 3 type -  Metal monoxides  Binary metal oxides  Ternary metal oxides

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: Elemental C has one of the highest atomization energies on the periodic table at 717 kJ/mol. Explain…

A: Possible reasons for High ionisation energy are larger effective nuclear charge, smaller size and…

Q: In some forms of the periodic table, hydrogen is placedin Group I; in others, it is placed in Group…

A: Hydrogen is placed separately in the periodic table.It shows similarities to both group 1 and…

Q: Would the reaction of beryllium, Be, with oxygen be more or less vigorous than ba?

A:

Q: Why is Group I elements known as the most electropositive element?

A: Electropositive nature of the elements is determined by their ability to lose the valence electrons.…

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.