Which of the elements below exhibit the "incrt-pair effect"? A sulphur B lead C sodium D magnesium 3.

Q: How many ions metals are measuring in water alkaline. Four. Three. Six.

A: Answer Metal ions in water alkalinity measure the alkalinity…

Q: This halogen is the only liquid non-metal. Group of answer choices A. Bi B. Br C. Ba D. Be E. B

A: Halogen elements are  F -> Fluorine  Cl -> Chlorine  Br -> Bromine  I -> Iodine  At…

Q: Claim: Reactivity of alkali metals increase down a group, or column, in the periodic table.…

A: The alkali metals are six chemical elements in Group 1, the leftmost column in the periodic table.…

Q: Vrite a report on the second roup elements II

A: Second group elements are also called alkaline earth metal and all are metal. They have electronic…

Q: the

A: When one electrons removed from the isolated gaseous atom and atom converted into cation formed then…

Q: 111 5. Explain the reasoning behind the following properties of ionic compounds. a. brittle b. high…

A: When the two elements with high electronegativity difference combined forms the ionic compound .

Q: Look at the locations of potassium andcalcium on the periodic table. Form a hypothesis toexplain why…

A: Potassium is found in 1st group and 4th period of the periodic table. It is in the column of alkali…

Q: You are investigating the reactivity of magnesium. a) Draw a box diagram to show the electron…

A: a) Electronic configuration of Magnesium is, 1s2 2s2 2p6 3s2     b) Chemical formula of Magnesium…

Q: Galium (Ga) is an element in group III with atomic number 31. By referring to the Periodic Table,…

A: Please find your solution below : (i) Atomic radius of gallium is greater than that of aluminium…

Q: 21. The halogen element that has the most attraction for the hydrogen electron is a. fluorine b.…

A: Introduction: The electronic attraction power of an element is called electronegativity. The higher…

Q: Manganese Sulfate Aluminum Phosphate

A: Answer: 3MnSO4 + 2AlPO4 ➝ Mn3(PO4)2 + Al2(SO4)3

Q: It indicates the ionization potential required to remove any of the electrons from its atomic…

A: Ionization potential is the energy needed to remove an electron from an isolated molecule.

Q: Which group of metals are the most reactive? Group of answer choices A. alkaline earth B. transition…

A: Given group of metals A. alkaline earth B. transition C. alkali   group of metals are the most…

Q: MCQ 99: The highest melting point in Group-II elements is of A. Be B. Ba C. Ca D. Mg

A: * Group ll are alkaline earth metal  * As we move down the group  atomic radius increases, hence…

Q: The d-block element among the following is a. Lead Ob. Thorium O C. Helium d. Osmium

A:

Q: Galium (Ga) is an element in group III with atom

A: As per guidelines, if multipart questions posted, first 3 are allowed to answer, please post rest of…

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: Select the ions that have the same electronic configuration as argon. s2- Br K+ A?+ Ca2+

A: Electronic configuration is essential to estimate valence electrons available in particular atom.…

Q: Which element, W or Au, has the greater number of electrons in antibondingorbitals? Which one would…

A: Molecular orbital theory (MOT) is a method which is used to explain the bonding in the molecules.…

Q: Name the following chemical formulas. WARNING: Ionic, covalent, and acid compounds are mixed.…

A: A chemical formula is used as a notation to show the constituents of a molecule. Naming of chemical…

Q: Distilled water should have little to no ions in solution. Research on this question and propose…

A: Water that has undergone the purification process through distillation, which entails boiling it and…

Q: What are classifications of iodine? Mark all that apply Halogen Nonmetal Metal Group 17 Transition…

A: We know that, Atomic no. of iodine= 53

Q: 5. The table below shows the elements in the third period of the Periodic Table, the number of…

A: Elements have the tendency to attain stability by loosing or gaining electrons. In stable form…

Q: The atomic radii of elements when one moves from right to left in a period Increase Decrease Remain…

A: The answers are given below

Q: A yellow solid is either calcium chromate or potassium chromate. What would you do to tell which…

A:

Q: 23. Use your answers to Questions 19-22 to help you explain what is going on at the atomic scale so…

A: In potatoes, there is salt and starch which is responsible for conducting electricity but chips have…

Q: Write the long form electron configuration for phosphorous

A:

Q: 6. From your test results, does your unknown contain K*, Ca*, or Na", or none of these? mu Explain…

A: Flame test : It is a dry test which is used to identify the presence of some cations such as Na+,…

Q: Which element would have the largest (most exothermic) value of E A,? Select the correct answer…

A: The answer is given as follows

Q: The Iron Triad is a historical name for the group of elements Fe, Co, and Ni. It was used to refer…

A: group of elements Fe, Co, and Ni

Q: name  formula as Mn(BrO3)4 formula as CdF  formula as HgP formula as ScO Identify the ionic…

A: Since you have posted question with multiple questions as per guidelines we can not solve more than…

Q: You are investigating the reactivity of magnesium. a) Draw a box diagram to show the electron…

A: The element given is Mg i.e. magnesium.

Q: state phosphorus atom? Select one: а. 4 b. 1 С. 2 d. 3 Clear my choice

A: Concept is based on electronic configuration.

Q: I am doing a prelab and I need help with the questions. I want to make sure I did everything right.…

A: 1.The group (I) cations are Ag+, Pb2+ and Hg22+, they all form form white precipitate, corresponding…

Q: A Click Submit to complete this assessment. Question 20 Using orbital diagrams, determine the number…

A: Electronic configuration: It is the distribution of electrons in the atomic orbitals of the element.

Q: Cesium has higher melting temperature than Sodium.   True or False?

A: Given : We have to tell whether the statement is true or not.

Q: The total number of metal-metal bonds in Ru3(CO)12 and Co4(CO)12, respectively is: Atomic number of…

A:

Q: A substance gave a green flame test colour. On heating it produced an acidic gas and another gas…

A: Thermal decomposition of barium nitrate.

Q: OWLV2 | Online teachin X According To The Following+ My Home…

A: Since moles = mass / molecular mass molecular mass of hydrogen = 2 gm/mol molecular mass of iodine =…

Q: Describe alkali metals?

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

Q: Based on Magnesium’s orbital diagram, would Magnesium be attracted to a magnet? Please briefly…

A: The behavior of magnesium towards magnet is explained below.

Q: Which of the following is the most active non-metal? All can be found in the 2nd column from the…

A: To solve this problem we have to know about the most active non-metal .

Q: which properties of aluminum might concern you if you had to use the aluminum tableware that…

A: Aluminum has a very high affinity to oxygen. When a new aluminum surface is exposed in the presence…

Q: Building ionic compounds from seawater can you help me move ions to make neutral compounds one type…

A: A set of anions and cations using which neutral compounds are to be made.

Q: Galium (Ga) is an element in group III with atomic number 31. By referring to the Periodic Table,…

A: Since you have posted question with multiple subparts as per guidelines we can answer three . So ,…

Q: 3. Define atomic radius, ionization potential, electron affinity and electronegativity. 4. What are…

A: The above question is belongs to periodic table and each of the above listed terms are defined for…

Q: E is a made up element and contains 6 valence electrons Calculate the number of valence electrons in…

A: The number of valence electrons in E3  = Valence electrons in a E x 3 = 6 x 3 = 18

Q: what substance is formed when water is added to metallic oxide? how will you prove this?

A: Metallic oxide reacts with water and gives metal hydroxide.