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Q: Identify the block in the periodic table of metals that tend toform more than one type of ion.

A: The periodic table consists of four blocks: s-block: Group 1 to group 2 p-block: Group 13 to group…

Q: For each row in the table below, decide whether the pair of elements will form a molecular or ionic…

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Q: Sc+ S -->   Write the electron configurations using noble gas configurations for  each element and…

A: Electronic configuration   Sc - [Ar] 3d¹ 4s²   Most stable ion of scandium Sc3+ - [Ar] 3d0 4s0…

Q: Write an equation that shows the formation of a manganese(II) ion from a neutral manganese atom

A: Oxidation reaction is a reaction wherein an atom looses its valence electron to form a positive ion…

Q: The elements of sodium and fluorine are far apart from each other on the period table. It is…

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Q: Predict the chemical formula for the ionic compound formed by the ions K⁺ and NO₃⁻.

A: The ionic compounds contain a metal part (M) and one non-metal part (A). The metal part is the…

Q: An atom has six electrons in its valence shell. What types of covalent bond is it capable of…

A: The number of electrons that are present in the last shell of an element is termed as valence…

Q: What is the chemical formula of the following compound? What would be possible identities of the…

A: The smallest repeating unit with full symmetry of crystal structure is known as unit cell.

Q: List the elements that form Ions with Predictable Charges?

A: Meaning of elements that forms ions with predictable charges: Metals can lose electrons, when they…

Q: X has two valence electrons & Z has seven valence electron

A: A question based on the combination of elements, which is to be accomplished.

Q: Which elements (Groups) of the periodic table provide the most unstable ions (anions)? Give the name…

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Q: Which ionic compound is expected to form from combiningthe following pairs of elements? (a) barium…

A: (a)Barium belongs to group 2 of the periodic table so, it has 2 valence electrons. It is a metal so…

Q: Predict a chemical formula for the ionic compound formed by the elements Cs and P

A: The elements given are Cs and P.

Q: Is the following statement True or False? Fluoride is derived from fluorine.

A: Ions are the charged species formed by loss or gain of electrons by an atom. It can be positively or…

Q: What is the electron dot structure for (1) Magnesium atom (2) Magnesium ion

A: Answer :----- Magnesium atom :----

Q: The octet rule is generally followed for anions of elements located where on the periodic table? O…

A: we have to select the elements whose anions generally follow octet rule

Q: Determine the number of valence electrons in each of the neutral atoms. carbon: nitrogen: охудen:…

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Q: Which of the following statements about the ionic bond in ammonium chloride is correct?

A: The correct answer is 2. The ionic bond in NH4Cl is formed by the electrostatic attraction between…

Q: When making an cation, when you (take away / add) an electron you make a positive ion. This means…

A: Anion is negatively charged species which have more electrons than neutral atom. Cation is a…