Aluminum (Al) reacts with chlorine (Cl,) gas to form aluminum chloride. Given the position of aluminum in the periodic table, what charge should 2 the aluminum ion have in this compound? A +4 -5 C +3 D +1

Q: A neutral atom of the most common form of nickel (Ni) has how many electrons?

A: As we know that, nickel is a transition metal and a d block element.Group: 10Period: 4Atomic number…

Q: The name for MgCl2 is magnesium chloride while the name for FeCl2 is iron(II) chloride.  Explain why…

A: Given : MgCl2 is magnesium chloride  FeCl2 is iron (II) chloride  To find: the reason for using…

Q: A metal ion with 2+ charge has 23 electrons and forms a compound with a halogen ion that contains 17…

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Q: You have the mythical metal element " X" that can exist as x+, X2+, and Xô+ ions. What would be the…

A: chemical formula is a way of representing any chemical compound we are required to find chemical…

Q: In Millikan's experiment, the charge on each drop of oil was measured in coulombs. Imagine the same…

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Q: 1) Give the formulas of the following compounds: a) potassium dihydrogen phosphate b) sodium cyanide…

A: We'll answer the first question and up to 3 sub-parts since the exact one wasn't specified. Please…

Q: K (s) + Br₂ Br₂ (8) K (s) + Li (s) ca (s) F2 (g) → N₂ (8) + N₂ + Cl₂ (8) Na + 02 (9) (s) Al (s) +…

A: By using periodic table concept we can complete the reaction as follows

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: The average atomic mass of three isotopes can be calculated using the following expression:

Q: What is wrong with the formula "HgCl" for mercury (I) chloride? Group of answer choices There is…

A: Atoms undergo ionization either by losing or accepting electrons. The removal of electrons gives…

Q: Name the following Compounds: Write a Formula for the following type in lower case please)…

A: We have give names. As per rule, only 3 subparts can be attempted.

Q: Which one is the anion and which one is the cation?

A: We have given an compound Ca3(PO4)2 and we have to find which  one is the anion and which one is the…

Q: What is the radius (in cm) of a pure copper sphere that contains 1.27*1-^24 copper atoms?  The…

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Q: What charge does a aluminum cation always have? +1 +2 +3 +4

A: Charge on aluminium cation:

Q: A new transition metal, margium, has been discovered, which is represented by the chemical symbol…

A: The name of inorganic salts is written according to some general nomenclature rules.

Q: The chemical formula when Cr(II) combines with CO3² Express your answer as a chemical formula.

A: A chemical formula indicates the elements and their proportions in a compound.According to question,…

Q: Name the following compounds: NaOCl, CaCO3, CaO, Mg (OH)2

A: NaOCl : Sodium Hypochlorite CaCO3 : Calcium Carbonate CaO : Calcium Oxide Mg(OH)2 : Magnesium…

Q: Give the formulas for the following compounds. sodium sulfide sodium nitrate mercury(II) iodide…

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Q: Arsenate is a polyatomic ion with the chemical formula AsO4. If magnesium arsenate has a chemical…

A: Ionic compound: These are those compounds that are formed by the combination of a metal cation and a…

Q: What is the formula of chromium(VI) oxide?   What is the formula of carbon tetraiodide?

A: We have to predict the formula for the given names

Q: Why does sulfur dichloride have the prefix "di", but magnesium chloride does not?

A: Why does sulfur dichloride have the prefix "di", but magnesium chloride does not?

Q: Rubidium (Rb) reacts with oxygen gas (O) to form a stable compound. In this compound, what is the…

A: The elements present in group 1 of periodic table are called Alkali metals  The Alkali metals are…

Q: 5) What is the name and symbol of an ion that has 26 protons and 23 electrons? A) Fe+3 B) Fe+2 C)…

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Q: How many neutrons and electrons does 198Hg2+ have?

A: Since the atomic number of neutral Hg atom is 80 = number of electrons in Hg And in the above given…

Q: Decide which element probably forms a compound with hydrogen that has a chemical formula most and…

A: Step 1: The elements which are present in the same period will have the similar chemical reactivity.…

Q: What is the charge of X in the following compound: XS2 O +2 O +4 -4 2.

A: The number of electrons gained or lost by an atom results in the formation of an ion. When an…

Q: Answer the questions below for the reaction of lithium with oxygen: 4 Li (s) + O₂(g) →2 Li₂0 (s) a)…

A: A neutral atom always show "no charge". Cation bears "+ve charge" Anion bears "-ve charge". A…

Q: 1. Define physical and chemical properties, provide three examples of each, discuss their…

A: Many substances are classified and identified based on their physical and chemical properties.

Q: An ionic compound forms between the ions Ca2+Ca2+ and NO−3NO3−. What is the correct chemical formula…

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Q: What charge does a calcium cation always have? +1 +2 +3

A: Calcium is a group-2 element.

Q: Draw the structural formula of the following compounds .      Element element, ion or ionic group…

A: When a compound is formed if it covalent then octet is completer and when ionic electrons are…

Q: What is the formula for iron (III) phosphide?

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Q: How did the study of the atom contribute to our understanding of the periodic table of the elements?…

A: The modern periodic table is organised on the basis of atomic number of elements. Atomic number is…

Q: Can someone please explain HOW to do this, not just the answer.   Write the formula for the compound…

A: Given,One potassium, one aluminium with two groups of one sulphur atom and four oxygen atoms and…

Q: Give the formulas of the following compounds: potassium permanganate strontium cyanide copper (I)…

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Q: Which atoms have anionic charge?

A: Anionic charge present at highly Electronegative element like Fluorine , oxygen, Nitrogen, Chlorine,…

Q: The element in period 6, group 7B is alkaline metal alkali metal transition metal halogen

A: Alkali metal contain one valence electron and belongs to group IA.Alkaline metal contain two valence…

Q: Please help answer this

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Q: Provide the Formulas for the following compounds which are a mix of all categories hydrogen sulfide…

A: A chemical formula is a short form notation of a molecule. The number and types of  the atoms…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.