Calcium (Ca) has a greater electronegativity than Barium (Ba). Explain why. In your explanation discuss the atom's structure: energy levels (rings), protons, and/or valence electrons.
Q: What is the name of the element that has the atomic number, Z = 17? Is this element more or less…
A: Given : Atomic number of element = 17
Q: Explain why calcium can form a C a 2+ ion but not aC a 3+ ion.
A: The answer and the explanation is ans given below:
Q: Arrange the following in order of increasing electronegativity S, Se, Cl, Br, I
A: Periodic trend for the electronegativity : When we go from left to right in the period , the…
Q: Are metalloids electrical semiconductors? Explain with an example?
A: Are metalloids electrical semiconductors have to be explain with an example,
Q: Which two groups in the periodic table have the highest electronegativities and ionization energies,…
A: Group 17 in the periodic table have highest electronegativities.
Q: Ва K
A: Ionization enthalpy depends upon the size of elements . GREATER THE SIZE OF ELEMENT less will…
Q: Write the empirical formula of at least four binary ionic compounds that could be formed from the…
A:
Q: based on the octet rule, oxygen most likely forms a ___ ion.
A:
Q: Write the structure step by step to obtain the lewis structure of the flowing chemical formular and…
A: we have to determine the lewis structure for the following compound- Fe2(SO4)3 [ Fe2SO3 does not…
Q: (i) Write the electro-dot structures for sodium, oxygen, and magnesium(ii) Show the formation of…
A: (i) The electron-dot structures for sodium, oxygen, and magnesium is shown below,
Q: U is a made up element and contains 5 valence electrons E is a made up element and contains 6…
A: Nitrogen is one of the element which contains 5 valence electron and Oxygen is one of the element…
Q: From their positions in the periodic table, arrange the atoms in each of the following series in…
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Q: How much energy (kJ) is required to remove all the 5s electrons in 8.78 g of strontium (Sr)? State…
A: The question is based on the concept of ionization energy. it is defined as the amount of energy…
Q: Which element below would have the largest electronegativity value? Cadmium lodine Xenon Zirconium
A:
Q: 9.74 Use Lewis electron-dot symbols to represent the formation of (a) BrF, from bromine and fluorine…
A: The compounds given are BrF3 and AlF3.
Q: 3. Of the elements Nd, Al, and Ar, which will readily form(s) +3 ions? Why?
A:
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: 1. How can you explain why ethanol is flammable while water is not or why table sugar turns black in…
A: 1. Sugar contains sucrose and glucose molecules when we heat them below there ignition point, many…
Q: Which of the following is an example of molecular covalent type of bond? O Hydrogen, Krypton, Barium…
A: The covalent bond is formed by the sharing of electrons between the atom to complete the octet of…
Q: Use Lewis structures to show the electron transfer that enables these ionic compounds to be formed:…
A: Use Lewis structures to show the electron transfer that enables these ionic compounds to be formed:
Q: The following Lewis diagram represents the valence electron configuration of a main-group element.…
A: Since the number of valence electron in the Lewis diagram is shown 7 hence the element X belong to…
Q: 13. The chemical equation shows methane burned in the presence of oxygen gas. What type of reaction…
A: 13) the chemical equation that show methane burn in presence of oxygen gas which is Combustion…
Q: Write the empirical formula of at least four binary ionic compounds that could be formed from the…
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Q: 4. Referring to a periodic table, arrange the following atoms in order of increasing atomic radius,…
A: Given: P, Si and N Nitrogen and Phosphorus belong to same group. Phosphorus lies below nitrogen down…
Q: What is a valence shell?
A: In chemistry, the term electron shell also known as the principal energy level refers to the orbit…
Q: Describe the location of electrons; describe how electron placement determines chemical bonding,…
A: The electron which is negativily charged species present in the hollows space of the atom and rotate…
Q: Write the empirical formula of at least four binary ionic compounds that could be formed from the…
A: Ionic compounds are composed of a cation and an anion that are balanced according to their charge so…
Q: Explain the difference between electron affinity and electronegativity
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Q: the following enthalpy values for Na and Cl, calculate the lattice energy of NaCl using the Born-…
A: The given data is in question is:
Q: Of the following, cannot accommodate more than an octet of electrons. O a. Ni . O b. Sc О с. Ве d.…
A: Elements complete there octet by either losing or gaining electron to become stable.
Q: The measure of the attraction that an atom has for the electrons in a chemical bond is called O…
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Q: What is the chemical element involved in Calcium Hydroxide?| What are the chemical bonding and…
A: Given, Calcium Hydroxide Required, Elements…
Q: a. If A represents a group 5A element, what is the formal charge of A in the structure above? b.…
A: Please find the below attachment.
Q: Which property of the third-row nonmetallic elementsmight be the one depicted below: (a) first…
A: The given elements Si, P, S, Cl, Ar are the elements of the third period and they are arranged in…
Q: What type of bond is found in the Lewis structure of nitrogen gas, Cl2? A. single covalent bond B.…
A: The bonds that are formed by the mutual sharing of electrons between two atoms are known as covalent…
Q: Given the following elements: Si, Sr, Cu, Ti, S (a) which of those elements would have the larget…
A: Si belongs to Group 14 and period 3.Sr belongs to Group 2 and period 5.Cu and Ti are transition…
Q: 4 Show how each chemical change obeys the octet rule (a) Hydrogen forms H (hydride ion)
A: We are given a Hydrogen atom.
Q: What type of bond would exist between Cl and Cl? a. Non–polar covalent b. Metallic c. Polar…
A: Non-polar covalent bond- It is a type of chemical bond that is formed when electrons are shared…
Q: Which of the following compounds is a possible combination of a metal and nonmetal taking into…
A: We have to tell which of the given combination is possible of a metal + non metal compound
Q: Galium (Ga) is an element in group III with atomic number 31. By referring to the Periodic Table,…
A: Gallium, Ga is a fourth period element. Here, d-orbital contraction means scandide contraction…
Q: Which of these elements is the least electronegative? O lodine Strontium Phosphorus O Vanadium
A: The given elements are Iodine, Strontium, Phosphorus, and Vanadium. Electronegativity increases…
Q: Why are Na+ and K+ unable to form covalent bonds?
A: Since these ions are formed from Na and K metals after donating the valence shell electron. Now they…
Q: Which of the following elements does not follow the octet rule? (a) sodium (b) helium (c)…
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Q: Consider an ionic compound, MX,, composed of generic metal M and generic gaseous halogen X. • The…
A: given: ∆Hlatticeis determined by using the born haber cycle for the formation of MX3. M(s) + 32X2…
Q: describe in detail the N-F bond in terms of the relevant electronegativities and polarities
A: Interpretation - To describe in detail the N-F bond in terms of the relevant electronegativities…
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- How do Group VIA elements form ions? A) They lose protons B) They gain two protons C) They lose two electrons D) They gain two electrons Which substance consists of anions and cations? A) CaF2, Calcium Fluoride B) Br2, Bromine C) Ag, Silver D) SiO2, Silicon Dioxide A newly discovered element is assigned to Group VIIA (Group 7A) in the periodic table. What charge will ions of this new element have? A) 1- B) 2- C) 1+ D) 2+ Reactions occur when atoms, ions or molecules collide. In a reaction between magnesium and bromine atoms, how many atoms of bromine will react per atom of magnesium? A) 1 B) 2 C) 3 D) 4 Which compound exists as a solid crystal lattice of cations and anions at room temperature? A) BrCl B) CaCl2 C) SCl2 D) SiCl4Give the chemical formula and name of the ionic compound composed of fluorine and lithium.Na+ forms an “ionic bond” (i.e. an electrostatic attraction) with the OCN− ion. (a) Draw the full Lewis structure of the ionic compound. Be sure to show how you have derived this. (The ionic compound as a whole, not just OCN-) (b) Which atom in the OCN− anion is the sodium cation most likely to attract? Explain.
- Using the terms atomic radius, and nuclear charge, explain why the elements on the right side of the periodic table typically have greater electronegativity value than those on the left side.Consider the following data for chlorine: atomic mass electronegativity electron affinity ionization energy heat of fusion 35.453 3.16 328. mol 1251.2 3.2 kJ mol kJ mol kJ mol You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy? (1) C1 (₂) +- C (g) Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release. energy? (2) C1¹ () +- Cl (g) Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): O release absorb Can't be decided with the data given. O yes O no release O absorb Can't be decided with the data given. O yes O no mol SWhich elements (Groups) of the periodic table provide the most unstable ions (anions)? Give the name of such elements according to the description of the periodic table.
- Hypophosphorous acid, H3PO2, has the structure (HO)PH2O. in which two H atoms are bonded to the P atom, and one H atom is bonded to an O atom. For each bond to an H atom, decide whether it is polar or nonpolar. Assume that only polar-bonded H atoms are acidic. Write the balanced equation for the complete neutralization of hypophosphorous acid with sodium hydroxide. An 800.0 ml sample of H3PO2 requires 22.00 mL of 0.7850 M NaOH for complete neutralization. What is the molarity of the H3PO2 solution? Electronegativity P = 2.19. H =2.20, O= 3.44No Plagirism Please! Group 1 elements have an average electronegativity of 0.84 (not including hydrogen). Group 17 elements have an average electronegativity of 2.99. These two groups often form bonds. Given this information, which kind of bond will they likely form (ionic or covalent), and what evidence supports your claim? If it is ionic, then include which group gives up its electron to the other group. In three to five sentences, explain your reasoning.Write formulas for the compounds:(i) iodic acid
- Tin forms both an ionic compound and a covalent compound with chlorine. The ionic compound is SnCl2 . Is the covalent compound more likely to be SnCl3, SnCl4, orSnCl5? Explain.A resident expert on electronegativity comes up to visit with you. He makes two claims (seen below) about electronegativity with relation to covalent bonding. Is the expert correct or can you refute him with your knowledge of electronegativity? (a) If a diatomic molecule is made up of atoms X and Y, which have different electronegativities, the molecule must be polar. (b) The farther two atoms are apart in a bond, the larger the dipole moment will be.What is the difference between atoms, ions, and molecule