Using your knowledge of alkali metals, halogen gases and the periodic table of elements, explain why sodium and chlorineare so reactive.

Q: Give a reason why hydrogen might be placed along with the group 1A elements of the periodic table.

A: Periodic table gives the information of chemical elements arranged according to atomic number,…

Q: What is the ground state valence shell electron configuration of a group 4A element

A: The s orbital of the group 4A element has 2 valence electron and the p orbital has 2 valence…

Q: Which element below would have the largest ionization energy? Boron Gallium Indium O Thallium

A: Ionization energy :- The minimum amount of energy required to remove an electron from an isolated…

Q: Does the reaction of a main-group metal oxide in water produce an acidic or a basic solution? Write…

A: The nature of the solution has to be predicted by reaction of main group metal oxide in water has to…

Q: Which of the following halogens has the largest atomic radius? O Chlorine O lodine O Bromine O…

A: CORRECT Ans- Iodine has largest atomic radius among given halogen elements.

Q: Which halogen has the highest ionization energy? Explain why.

A: Hi, since you have posted multiple questions. We will answer the first questions. Kindly repost the…

Q: which of these elements have the smallest atomic radius? silicon sodium cholrine sulfur phosphorus

A: The question is based on the concept of periodicity of properties. we have to identify the smallest…

Q: What are the three types of oxides? Using chemical equations and any other information to support…

A: Three types of oxides: 1. Acidic oxide 2. Basic oxide 3. Amphoteric oxide

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: List the General Characteristics of the Group 4A Elements?

A: Group 4A elements are: Elements Atomic number Electronic configuration Carbon 6 1s22s22p2…

Q: How can you explain the reactivities of halogens?

A: Interpretation - The reactivities of halogens are to be explained.

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: Write balanced equations for the following reactions: barium oxide with water sulfur trioxide with…

A: A balanced chemical equation is an equation which contains same elements in same number on both the…

Q: Compare and contrast the alkali metals and the alkaline earth metals Discuss their physical and…

A: In this question, we have to write down the correct explanation of alkali metals and alkali earth…

Q: Write the electron configuration of sulphur using the Aufbau principle?

A: The electron configuration of sulphur ( S1632 ) :  Total number of electrons in a S atom = 16 1s2…

Q: Why are bromine atoms more reactive than bromide ions?

A: We know ions are formed either by loss or gain  of electron to reach a noble gas configuration or…

Q: How many valence electrons does Oxygen, Sulfur, Selenium, Tellurium and Polonium have?

A: The term valence electrons refer to the electrons which are present in the outermost shell (also…

Q: Explain why the ionization energy for hydrogen is much higher than that of other Group IA/1…

A: Ionization energy is the extent of energy which is essential to move the loosely bound electron…

Q: 7. Explain, in terms of electron configuration, why sulfur atoms and oxygen atoms form compounds…

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Q: Discuss the importance of electron affinity and ionizationenergy in the formation of ions.

A: Electron affinity:   release of certain amount of energy when an electron is added to neutral…

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: Use electron configuration and orbital diagram to account for the trend in electron affinity from…

A: Electron affinity is the amount of energy released when electron is added to an  isolated gaseous…

Q: What are the two most abundant elements by mass in the earth’s crust, oceans, and atmosphere? Does…

A: The main composition of amino acid is carbon, oxygen, hydrogen, and nitrogen. Since Earth's crust…

Q: What is the electron configuration of Al 3* ?

A: Given :- ionic symbol = Al3+  To determine :- its electron configuration

Q: What is the valence electrons of halogens? * 1 3 O 7 ООО

A: A compound undergoes precipitation when its concentration exceeds its solubility. It is effected by…

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

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Q: Write CHEMICAL PROPERTIES OF GROUP 1 AND GROUP 7 ELEMENTS ? ELEMENT Group Electron arrangement…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Explain why Be and Mg form metallic hydrides instead of ionic hydrides like the other elements in…

A: Be and Mg forms metallic hydrides instead of ionic hydrides and the two possible reasons are their…

Q: 7. Write equations for the formation of these compounds from the elements: a. Strontium Hydride b.…

A: Synthesis of the compound from elements means their synthesis in 1 mol amount . That means to form…

Q: Why do chlorine and iodine exhibit similar properties?

A: Introduction: Chlorine and iodine belongs to the group 17 of the modern periodic table and the…

Q: Place the following elements in order of increasing atomic radius. Ar Хе C O C<Ar <Xe O C<Xe <Ar O…

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Q: What is ionization energy and what are its periodic trends? Explain. What is electron affinity and…

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Q: 13. The electron configuration of Argon (Ar) differ from those of Chlorine (CI) and Potassium (K) by…

A: The electronic configuration of the given elements are

Q: Describe alkali metals?

A: The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (okay),…

Q: Iron(II) fumerate (also called ferrous fumerate) is prescribed for patients suffering from iron-…

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

A: The alkali and alkaline earth metals differ in a few properties and these have been discussed below.…

Q: What is the characteristic valence electron configuration of the group 7A elements, the halogens?

A: The halogens elements contain valence electrons of seven; two in s-orbital and seven in p-orbital.

Q: Write a general equation for the reaction of an alkali metal with each substance.a. a halogen b.…

A: Alkali metals are first group elements. They show a fixed valency of +1. Halides show -1 unit…

Q: Group 7A. What properties of hydrogen justify each of these placements?

A: Introduction :  Hydrogen is the first element in the periodic table, it is the smallest element…

Q: The reaction of cesium with chlorine is similar to that of sodium with chlorine. Write the balanced…

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Q: Write the formula of the acid formed when each of these acidic oxides reacts with water.

A: The reaction of acidic oxides with water yields acid and when the acidic oxides reacts with base…

Q: (a) Briefly describe how the atomic radii and ionization energies of group 1A(1) elements compared…

A: Go to 2 step for your answer . Thanku)

Q: What and the three chemical properties of halogens?

A: Halogen family is the group of elements that is present in Group VIIA of the periodic table.  The…

Q: Use the data from Appendix F to graph the variation ofatomic radius with atomic number for the…

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