Which of these elements is most likely to form ions with a2+charge?(a) Li (b) Ca (c) O (d) P (e) Cl

Q: A biochemist who is studying the properties of certain sulfur(S)–containing compounds in the body…

A: Sulphur belongs to group 16 of the periodic table , i.e, chalcogen family . Its atomic number  and…

Q: Which of the following elements will most likely form ions with a –2 charge? a) Cr b) Sr c) Se…

A: Which of the following elements will most likely form ions with a –2 charge?

Q: How many electrons are in Cr^{6+}6+?

A: Cr has an atomic number of 24. Atomic number is number of protons, which is equal to the number of…

Q: Using the periodic table to guide you, predict the chemicalformula and name of the compound formed…

A: (a) Gallium is a compound of group 13, it has a tendency to donate 3 electrons in order to achieve a…

Q: Differentiate between Atomic and Ionic Radii?

A: The difference between Atomic and Ionic Radii have to be given below.

Q: 244 Pu P. → 84 94 21 9. 210 Po 84

A: Total atomic no in reactant side  84×2=168 So it should be balance in product side  168= 94+X X=74…

Q: The formula of magnesium oxide is = MgO But a student determined experimentally that the formula of…

A: The two possible reasons for the incorrect determination are given as follows:

Q: Consider an ion with the symbol Y³ formed from a representative element (Y is an unknown element,…

A:

Q: Elements in group 17 (7A) of the periodic table are likely to form ions with the charge   A.…

A: In periodic table, halogens are present in group 7A.                 There will be seven valence…

Q: Give the chemical formula for (a) chlorite ion, (b) chlorideion, (c) chlorate ion, (d) perchlorate…

A: Chemical formula for- a) Chlorite ion- ClO−2 b) Chloride ion-  Cl− c) Chlorate ion- ClO3− d)…

Q: (c) Theoretically, define the following elements in the formulae below Pth = ρghq x ŋ

A: Pth= Theoretical power supplied to the Pump ρ= Density of Fluid flowing in . g= Gravitational…

Q: 3. Write the equations for the following reactions: a) potassium oxide reacts with water b) cesium…

A: a) Formula of potassium oxide = K2O Formula of water = H2O

Q: what are 2 symbols of two ions that are isoelectronic with the calcium ion?

A: If two elements are having same number of total electrons, then they are isoelectronic with each…

Q: Which element is more likely to gainelectrons, potassium or chlorine?

A: The element, which is more likely to gain electrons has to be given.

Q: Is astatine a nonmetal metal or metalloid

A:

Q: Each of the following elements is capable of forming an ionin chemical reactions. By referring to…

A: Since we only answer up to 3 sub-parts, we'll  answer the first 3. Please resubmit the question and…

Q: What are the names and atomic masses of rhodium (Rh) and niobium (Nb)?

A: The atomic mass of an element is the average mass of the atoms of an element measured in atomic mass…

Q: 3. a) Describe the main differences between ionic, covalent, and metallic bonding.

A: Ionic bonding occurs when transfer of electrons takes place. One atom (or molecule) donates one or…

Q: How is F3O4 the oxide ion of Fe 3+?

A: SOLUTION: Step 1: Fe3O4 is a spinel compound. Spinel means it contains metal ion of 2 oxidation…

Q: Why does Li form a positive ion, Li+, whereas Br forms a negative ion, Br-?

A: The reason why Li forms positive ion and Br forms negative ion has to be given.

Q: Discussing this chapter, a classmate says, “Since elementsthat form cations are metals and elements…

A: The given data: The given statement is - Since elements that form cations are metals and elements…

Q: 3. Give the systematic names of the following compounds: Br -CI HO. HO

A: Few questions based on nomenclature, which is to be accomplished.

Q: Case, Clne labels got lost. How would you distinguish between the two substances: a) LiCI Lil b)…

A: The question is based on the concept of qualitative analysis. we have to identify the compound by…

Q: Give the names and charges of the cation and anion ineach of the following compounds: (a) CuS, (b)…

A: To write the name and charges of the cation and anion in each of the below compounds (a) CuS (b)…

Q: Make an outline of the separation of the following cations into their respective groups: a. Mercury…

A: Different group cations can be separated by precipitation method i. e.  by addition of different…

Q: Of the elements Be, C, Cl, Sb, and Cs, which is most likely to be a metalloid?

A:

Q: Write the chemical formulas for the following compounds:(a) Silver cyanide(b) Calcium…

A: The chemical formula of the compounds usually indicates the property of the elements that combine…

Q: Whic of the following elements has the highest first ionization energy? a) C b) B c) F d)Li  e)…

A: Since we know that   Ionization energy is the amount of energy needed to remove an electron from…

Q: Which of the following is a binary compound?   A. hydrogen sulfate   B. hydrogen sulfide   C.…

A: Binary compounds are those compounds which contain two type of elements only.

Q: 33. Of the following elements, which is most likely to form a negative ion with charge 2-? d) a) Вa…

A: Octet rule: According to the octet rule the element with eight electrons in the valance shell will…

Q: fix it Barium adopts a “-1” charge in chemical reactions

A: Answer  Barium has always in form of  Ba +2 charge ,So barium adopts…

Q: How many protons, electrons, and neutrons does the Vanadium +5 ion (V) have?

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: 2.44 Which pair of ions will attract each other most strongly? Explain. Na 02- Mg2+ 02- Al3+ 02- B

A: Ionic compounds are held together by electrostatic forces between positive and negative ions.

Q: Whal are the Four guantum num bers

A: Quantum numbers describe the energy and position of electron in an atom. Four quantum numbers are…

Q: Give the symbol of four stable ions formed from Main Group elements that are isoelectronic with…

A: Applying concept of isoelectronic i.e. having equal no.of electron.

Q: What is the charge on the Cr ions in Cr2O3?

A: We have Cr2O3 , we have to calculate the charge on Cr ion.

Q: MCQ 47: Apple green flames are produced by the compounds of A. Strontium B. calcium C. barium D.…

A: The metal compound when introduced in flame they impart  characteristic colour to flame. To perform…

Q: What is the formula of cadmium oxide?

A:

Q: Which of the following are isotope pairs?

A: an atom has electron, proton, neutron atomic number =number of proton mass number = sum of proton +…

Q: give the charge of the transition metal   Ag2C2O4

A: Answer :  Charge of transition metal Ag is +1.  Ag2C2O4 siver oxalate  is a ionic compound. Which…

Q: A group 8 element (MM) reacts with fluorine to give MF2. The same element reacts with oxygen to give…

A: Here it is group 8 element so it will be probably iron (Fe). Because FeF2 and Fe2O3 is probably the…

Q: A 2.000 g sample of element M reacts with oxygen to form 2.539 g of the metallic oxide, MO2. What is…

A:

Q: What is the charge for the transition metal Manganese in Manganese (III) oxide? A.+1 B.+2 C.+3…

A: Transition metals are d bolck elements in periodic table. They shows variable oxidation states.…

Q: What is the number of electrons for AsBr5?

A: Arsenic consists of 33 electrons and its electronic configuration is 2,8,18,5. So, its valence shell…

Q: What is wrong with the chemical formula [CO(H2O)4SCN]V and what is the right formula and name for…

A: The general form of a chemical formula is such that the positive part of it written first and the…

Q: 2. Chemical Formula: Na,SO

A: The given chemical formula is Na2SO3.

Q: Predict the chemical formula for the ionic compound formed by the ions Ca²⁺ and PO₄³⁻.

A: Given ions are Ca2+ and PO43- .  Here , Ca2+ is a cation and PO43- is an anion.

Q: 2. Give the electron configuration for the ion of Br.

A: The atomic number of bromine is 35 and the electronic configuration for bromine (35 electrons) is…