How many elelents are on the periodic table?

Q: A certain compound is made up of three chlorine atoms, one phosphorus atom, and one oxygen atom.…

A: Given : The compound has  1) 1 oxygen atom i.e 1 O 2) 3 chlorine atoms i.e 3 Cl 3) 1 phosphorous…

Q: What is the correct formula for Disulfur dichloride?

A: The chemical symbol of Sulfur is 'S' and the chemical symbol of Chlorine is 'Cl' Disulfur means two…

Q: The element bromine forms a(n) with the charge The symbol for this ion is and the name is The number…

A: The element bromine has 7 valence electrons.  Hence it forms a stable ion by gaining 1 electron and…

Q: The Periodic Table of Elements is arranged based on the atomic number. Hence, it is arranged based…

A: General chemistryThe Periodic Table of Elements is arranged based on the atomic number. Hence, it is…

Q: Determine the total number of metal in a cube for a metal phosphide which has a phosphorous atom at…

A: We have to determine the total number of metal in a cube for a metal phosphide which has a…

Q: Label as ionic compound or not ionic

A: Ionic bond form between metal and non metal where as non ionic compound form between non metal and…

Q: State law of definite proportions.

A: Given: Law of definite proportions.

Q: Which two elements on the periodic table are in the same period?

A: By studying the periodic table we can easily find out the elements present in same period.  Periods…

Q: Part D What is the formula for sulfurous acid? Express your answer as a chemical formula. • View…

A: *.Sulphurous acid is aacid as it donate proton

Q: State the type of compounds that are compared in the law of multipleproportions.

A: Law of Multiple proportion states that when two elements combine to form more than one compound, the…

Q: Refer to the periodic table and state the mass for each of the following number of atoms. (a) 1 atom…

A: Refer to the periodic table and state the mass for each of the following numbers of atoms. (a) 1…

Q: What is the chemical formula for Sulfur dioxod

A: Sulfur dioxide is a chemical that occurs at trace levels in the atmosphere and is a source of…

Q: How many atoms of each element are in a formula unt of Magnesium Phosphate?

A: Ionic compound  Ionic compound composed of cation which is positively charged (+charge) and an anion…

Q: Based on their position in the periodic table, what ions do barium and iodinetend to form?

A: To find: The ions do barium and iodine tend to form

Q: what statement is correct about the two molecules?

A: CONCEPT Aromatic Compounds Cyclic and conjugated Follows Huckel's Rule i.e. have (4n+2) pi…

Q: The 02- ion has how many protons and electrons?

A: Neutral oxygen atom atomic number is 8 that means, it has 8 protons and 8 neutrons in the nucleus…

Q: Who discovered the noble gas argon?

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number.…

Q: What is the chemical formula of sodium chloride

A: Sodium chloride is the chemical name for salt. Sodium is an electrolyte that regulates the amount of…

Q: Create a timeline using illustrations and text showing elements form with the concept of atomic on…

A: Modern periodic table based on Mendeleev's periodic table is based on the arrangement of elements…

Q: how many electrons are in oxygen

A:

Q: What are the names of the two compounds?

A:

Q: what is the total number of atoms in 263 gram sample of Copper?

A: n=mass/molar mass n=number of moles 1 mole cu contains =6.023 ×1023 atoms

Q: Consider adding a single H+ to the polyatomic ion phosphate. What is the formula of the new ion…

A: Hydrogen ion → H+Phosphate ion → PO43-                                   Polyatomic ion- because it…

Q: Refer to the periodic table and state the mass of 6.02 × 10²³ atoms of each of the following…

A: We know that 6.02 × 10²³ atoms are equal to one mole of the substance.

Q: how many electrons in bromine

A: We know that Bromine is a chemical element with atomic number 35. The symbol used to denote bromine…

Q: How many atoms does hydrogen have

A: Calculate no. of  atom in hydrogen=?

Q: Calcium chloride, CaCl,, is a salt used for snow and ice removal. How do we know it is an ionic…

A: Ionic bond :-  A bond which formed by complete transfer of one or more electron from one atom to…

Q: The element phosphorus forms a(n) A with the charge The symbol for this ion is and the name is ion.…

A:

Q: What is the meaning of the first compound notation?

A:

Q: Iron (II) nitrate and potassium hydroxide What is the Molecular formula ?What is the total Ionic…

A: We have to write the molecular formula of the given two compounds and write the net ionic equation…

Q: When an atom has one or more extra ____ it will have a ___ charge

A: An atom has an equal number of electrons and protons. i.e Number of protons= Number of electrons.…

Q: Chemistry: Sugar Molecules A sugar molecule has twice asmany atoms of hydrogen as it does oxygen and…

A: Sugar is an organic molecule which sweet in taste. It is a form of carbohydrate which is staple in…

Q: The element potassium forms a v with the charge The symbol for this ion is and the name is The…

A: Potassium is a metal which belongs to 1st group with 1 electron in Valance shell and Atomic no is…

Q: The Nomenclature of different Polyatomic ions. Give me your explanation about the image below.

A: Polyatomic ions contain more than one type of atom in the ion. The majority of polyatomic ions are…

Q: What is the correct formula for calcium dihydrogen phosphate? a) Са, Н, РО, b) Ca(H,HPO), c)…

A:

Q: = carbon atoms or

A:

Q: Calcium Chloride contains only calcium and chloride. What is the formula for this compound?

A: The compound consists of calcium ion and chloride ion. The symbols for the calcium and chlorine is…

Q: s dichloromthane an ionic or molecular compound?

A: An ionic compound forms when one metal reacts with a non-metal or a polyatomic ion. A molecular…

Q: I do not understand what is meant by binary diatomic molecule or binary triatomic molecule or either…

A: Binary diatomic molecule : This type of molecule contains two different atoms. These two atoms may…

Q: a neutral iron atom.

A:

Q: How do you find the Chemical Formula for compounds?

A:

Q: What is the formula of aluminum chlorite?

A: Chemical formula of an ionic compound can be formed by criss-crossing the valencies of ions. Name of…

Q: What is the formula for carbon tetrachloride ?

A:

Q: The sum of the numerals in the name of (see picture) is 20? 7? 21? 14? 8?

A: Rules for IUPAC naming  Select longest possible carbon chain , it is known as parent chain  If…

Q: Refer to the periodic table and state the number of atoms for each of the following nonmetals. (a)…

A: Given, a) 30.97g of P b) 20.18g of Ne mole=weight of atomAtomic massmole=Number of atomsAvagadro…

Q: What is the only non-metallic polyatomic cation? A) sulfite B) nitrate C) ammonium D) there are no…

A: Given What is the only non-metallic polyatomic cation?A) sulfite B) nitrate C) ammonium D) there are…

Q: The recommended daily allowance (RDA) of calcium is 1200 mg. Calcium carbonate contains 12% calcium.…

A: According to the question, 12% of calcium is present in calcium carbonate that means each 100 grams…

Q: n elemental metal contains how many types of atoms?

A: Elements are the substance that is composed of a single type of atoms.

Q: Find the total number of phosphorous in a cube for a metal phosphide which has a phosphorous atom at…

A: Given: Phosphorous atoms are present in each corner of the cube.