Use the periodic table to find the atomic mass, atomic number, number of protons, and number of electrons for an atom of: (a) argon (b) strontium

Q: Give the number of protons, electrons, and neutrons for Chlorine-37

A: Atomic number:  It is defined as number of protons present in an atom.  The symbol of atomic number…

Q: What is the number of neutrons of the given element?

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: element bismuth is in group element oxygen is in group element chromium is in group ubmit Answer and…

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Q: give the name of following element a)N  b)He

A: The name of the following elements are :

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: If you change the number of __________ , the atom becomes a different element.

A: If we change the number of Protons, the atom becomes a different element.

Q: According to the Star Trek Fifth Interstellar Geophysical Conference Standard version of the…

A: The element 112 falls in the 12th group in the current periodic table. If the element with the…

Q: For the following isotope, selenium -77, indicate the number of protons, neurons, and electrons.

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Q: Be sure to answer all parts. Using the periodic table on the inside front cover, write the symbol…

A: The Given element = Chlorine Symbol for Chlorine = Cl Atomic number  of Cl = 17 Atomic mass of Cl =…

Q: Potassium Chromate and Silver Nitrate What is the molecular formula, what is the total ionic…

A: A molecular formula is a formula which have the symbols of different elements and numerical…

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: Which of the following defines the mass of an atom

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Q: Parts of an atom.

A:

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's the first ionization of calcium

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Q: Question: Arrange the following in order of their mass: atom, electron, molecule, proton. Please…

A: An atom is composed of a nucleus that contains protons and neutrons. A molecule is formed when two…

Q: The atomic number, which defines the element is always equal to the total number of

A: Every element is made up of atoms . Atoms consists of electrons , protons and neutrons. These are…

Q: An element has three naturally occurring isotopes. What other information must you know in order to…

A: Natural abundance and mass number of atoms of an element are required for calculation of atomic mass…

Q: What is chlorine

A: The chlorine has atomic number 17.

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: 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 elelents are on the periodic table?

A: The periodic table consists of 91 metals and 27 non-metals and metalloids, together consisting of…

Q: Determine the number of protons, electrons and neutrons for a neutral atom of silicone given a mass…

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Q: Which of these atoms Sulfur, Heli Explain.

A: Those atom which completed its octate will not surve as central atom

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

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Q: What is the formula for Calcium Carbonate?

A: Chemical Formula is the way of representation of number of different kind of atoms in the compound.

Q: Select all of the following that are diatomic elements O Hydrogen Oxygen Helium Neon Astatine O…

A: Since we know that a diatomic elements are pure elements that form molecules consisting of two atoms…

Q: Atomic number of Lithium

A: We know that, Symbol of lithium is Li

Q: What do you look at on the periodic table to determine the number of protons of a element

A: The atomic number of an element tells the number of electrons in it. An element in its neutral state…

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: Consider the phosgene (COCI, molecule. What is the central atom? Enter its chemical symbol.

A: →Rule for making lewis dot structure :-1 Calculate total charge :-Valence electrons +(-ve…

Q: = carbon atoms or

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Q: l charge of oxygen in

A: Formal charge is real or imaginary charge present on the atom in the compound.

Q: a neutral iron atom.

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Q: If the mass # is 99 and the # of protons is 43, what is the atomic symbol and and # of neutrons?

A: Elemental symbol gives information about atomic symbol of the element, mass number and atomic number…

Q: Protons, electrons, and nucleus are also called ____?

A: Protons, electrons, and nucleus are also called atom. Protons, electrons and neutrons are combined…

Q: Atomic Number

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: Copper and Silver nitrate What is the Molecular Formula, What is the Total Ionic Formula

A: Write the chemical formula of a compound first write the name of cation and then write the name of…

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: What is the pi formula

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Q: Name the two isotopes for oxygen.

A: The species having same atomic number but different mass number (atomic mass) are termed as…

Q: atomic

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Q: What is the number of atoms in element Pt?

A: The Pt symbol is used for the platinum and it is a member of the VIII B group thus it is a…

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.