Write the chemical formula for: Phosphorus (P) and Radium (Ra) Use the CRISSSCROSS METHOD and SHOW YOUR WORK! HINT: is this ionic or covalent? Will the order matter? x Clear A Undo A Redo Crisscross! P 3 + Ra+2

Q: The high reactivity of Fluorine in groupVII (Group 17) K is due to 1. the weaker F-F bond 2. the…

A: Fluorine is an element represented by the symbol F and is present in halogen family. The atomic…

Q: Reasoning: Why does reactivity increase down Group 1? Answer the following questions to help you as…

A: The periodic properties defines the atomic properties like atomic radius, reactivity order, nuclear…

Q: OXidizny 9qt A dueot acceptr relesse elecron Ckiestour 14. The second ionizationlenergies for the…

A: Ionization Energy - It is the energy required to take out an electron from an atom or an ion.

Q: following materials: 2. Cao (b) MnS (c) KBr (d) CsBr b. Justify your selections. Table 1: Ionic…

A: a) In{\rm{CsI}}CaO,  Ca2+ is cation and {{\rm{I}}^{\,{\rm{ - }}}}O2− is the anion. Obtain ionic…

Q: Which of the following is NOT bent? Select one: a.O3 b.NO2– c.SO2 d.SiO2

A:

Q: Consider the figures above , which most likely to be silicon doped with Antimony Sb? * A B C A

A:

Q: Calculate Zeff for Mg2+? O 6 O 2 O 8 O 12 O 10

A: Zeffective for any electron in the configuration of an atom can be calculated using the formula:…

Q: The most electronegative element on the periodic table is: fluorine carbon O helium neon O hydrogen…

A:

Q: 1. In Fe2O3, charge on Fe is ..... a) +2 b) +6 c) -3 d) +3

A: The oxidation state of oxygen in most of its compound is -2.

Q: Which of the following compounds would you expect to have the lowest melting point? CaO H2O Na2O…

A: Ionic compounds with higher charges have higher melting point due to strong intermolecular forces…

Q: Rank the halogens by oxidizing strength and the halide ions by reducing strength from strongest to…

A: A question based on reduction potential, which is to be accomplished.

Q: Which pair has higher election affinity Si and Al  or P and Si and both valence orbital diagrams

A: Electron affinity is the change in energy of a neutral atom when an electron is added to the atom to…

Q: I Review I Constants I Periodic Table MISSED THIS? Read Section 12.6 (Pages 522 - 524). An 8.5 – g…

A: Given information: Mass of ice = 8.5 g Mass of water = 255 g

Q: Draw the Lewis structure for the nitrite ion NO2-. Show your process, including accounting for…

A:

Q: tion 18 of 18 Macmillan Learning Consider an ionic compound, MX3, composed of generic metal M and…

A: It is based on Hess's Law  Here we are required to find the lattice energy

Q: E is a made up element and contains 6 valence electrons What is the electron geometry of E3

A: Given,  General element = E  The number of valence electrons in E = 6  Electron geometry of E3 = ?…

Q: What is the electron dot structure of PO 3? [Use the following templates, where A and B are…

A: To draw a Lewis structure of any molecule we should know the number of valence electrons of the…

Q: Consider a hypothetical element, Z, which has an atomic number of 122 and is located in a newly…

A: The objective of this question is to show the nature of ZO3 and analyze the given alternatives to…

Q: Show the bond formation of Cesium and Sulfur

A:

Q: Consider the figures above , which most likely to be silicon doped with Antimony Sb? * B C A В D

A: Which is most likely Si doped with Sb?

Q: likely to be silicon doped with Antimony Sb?

A:

Q: How many electrons does silver accept from copper? 0 1 O 3 O 2

A: In this Silver can accept 1 electron from copper.This is because copper(Cu) is more reactive than…

Q: a. The calculated partial charges on B and F in BF3 are +0.63 and −0.21 respectively. Partial…

A: a) Given that The calculated partial charges on B and F in BF3 are +0.63 and -0.21 respectively.…

Q: Which of the following atoms should have the greatest polarizability? F Br Po Pb He

A: Polarisability : It is the property by the virtue which element tend to acquire electric dipole when…

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

A: Reluctance of ns electron to participate in chemical bonding due to high nuclear charge is called…

Q: Part A What is the formula of carbon tetralodide? O C Cl C O Ch O CA

A: The formula of carbon tetraiodide is given below.

Q: No 52 Kindly solve this question correctly in 30 minutes and get the thumbs up please show me neat…

A: Periodic table contains 18 groups i.e. vertical columns and 7 rows called as seven periods.  In the…

Q: OWLV2 | Online teaching and lea: X O Periodic Table Bb Intellectual and Industrial Revolu X…

A:

Q: What is the most likely type of bind present between atoms of germanium and arsenic

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Q: Which of the following does not form trivalent cation? Boron O Indium O Aluminium O Gallium

A: the given all element is group 13 element. this element can show +3 and +1 oxidation state,but down…

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Q: . X is isoelectronic with Xe. It reacts with Na ion and forms Na2X. a. Give the electronic…

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A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: Write a 3 paragraph form introduction about group 3 cations

A: ations are typically divided into Groups, where each group shares a common reagent that can be used…

Q: What is the number of valence electrons in a PO^3- 4 ion?

A: The electron present in the outermost sell is known as the valance electron.

Q: Q2. Fill in the table Element Sulfur Aluminum Carbon (graphite) Magnesium Copper lodine Iron…

A: We are given different elements(metals and nonmetals), and we have to find their atomic symbol,…

Q: How do you draw the lewis structure of BN2? Boron, nitrogen

A: Lewis dot structure for BN2

Q: 1600- 1400- 1200- 1000 - 800- 600- 400- 200- Na Mg Al Si CI Ar Element

A: Ionization energy or Ionization potential is the minimum amount of energy that is required to remove…

Q: Order the following element by increasing strength of reducing agent Electronegativity 1 2 3 4 5 6 7…

A: Oxidising agents are the species which oxidises other species and itself gets reduced. Reducing…

Q: The halogen in the second period. CI Br O.F O At

A:

Q: Consider the element Work (Wr) with an atomic number of 33 and an atomic mass of 81.03 g/mol. The…

A: Given: Molecule/ Ion Names Wr-2 Workide WrO3-2 Workate WrO2-2 Workite…

Q: What is the name of the compound formed from AU ^3+ and Cl^1- ions?

A: Name of the compound formed from AU ^3+ and Cl^1- ions?

Q: For the following reaction, which ion is the spectator ion? Ca(OH)2(aq) + Na₂CO3(aq) → CaCO(s) +…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: A certain solid has a structure in which W atoms are located at the cube corners, Satoms at each…

A: Based on the given information, we can determine the chemical formula of the metal as follows:…

Q: Draw the Lewis Dot Structure for MeS2.  Me is a ficticious element with 4 valence electrons.

A: The fictitious element with four valence electrons is Carbon (1s2 2s2 2p2). Now the compound formed…