How many  electrons are in chlorine Cl.

Q: Purple spheres represent iodine atoms, white spheres represent hydrogen atoms, and all of the…

A: Given:  Purple atom = Iodine (I) White atom = Hydrogen (H)

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: How is the law of multiple proportions different from the law of definite proportions?

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Q: did john dalton give us the "raisin bun" model of the atom where negative and positive charges are…

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Q: how many proton electrons and neutrons are in neutral copper -63 Cu atom?

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Q: How many miles of gold atoms do 3.45 x 10^24 gold atoms constitute

A: This problem can be solved by knowing that one mole comprises of 6.022×1023 atoms.…

Q: Naturally occurring copper consists of 63Cu (mass 62.9296 amu) and 65Cu (mass 64.9278 amu), with an…

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Q: An unknown element (Uk) has three isotopes, seen in the table. One of the percentage values is…

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Q: How many atoms of neon are present in 1.30 moles of neon?

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Q: The mass of an atom of hydrogen is 1.673 x 10-24 g. How many atoms are in a 10.5 g sample of…

A: Given, Mass of a hydrogen atom = 1.673*10-24 g. Mass of sample = 10.5g.

Q: How many protons are in chlorine Cl.

A: Atomic number is equal to number of protons, atomic mass is equal to number of protons and number of…

Q: The mass of a single platinum atom is 3.24×10-22 grams. How many platinum atoms would there be in…

A: The mass of an atom is the amount of matter present in the substance. The mass of an atom remains…

Q: How many gold atoms do you have if you have 410 grams of gold?

A: A mole is a unit for the measurement of the amount of the substance. No. of moles of an element =…

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: Parts of an atom.

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Q: Consider chlorine, which occurs as a mixture of two isotopes: chlorine-35, with a natural abundance…

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Q: Is it possible for 2 Carbon atoms to have different mass numbers? How?

A: Yes, it is possible for 2 Carbon atoms to have different mass numbers.

Q: Which elements make up about 99% of the mass of living things?

A: Elements are very important for the maintenance of biological life. For example sodium and potassium…

Q: What is atomicity

A: Atomicity is a term which is used to represent the number of atoms present in any molecule or…

Q: A compound contains 43.84 % carbon atoms, 3.65 % hydrogen atoms, and 8.68 % fluorine atoms by mass.…

A: Given : Mass percent of C = 43.84 % Mass percent of H = 3.65 % Mass percent of F = 8.68 % Assuming…

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: What are isotopes? What is the percent natural abundance of isotopes?

A: Isotopes are stable as well as radioactive in nature.

Q: Rubidium has two naturally occurring isotopes. The average mass of Rb is 85.4678 u. If 72.15% of Rb…

A: Given, Average mass of Rb = 85.4678 u Isotope I, Rb-85 : natural abundance = 72.15 %  relative…

Q: oxygen atoms

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Q: How many atoms of sulfur are in 0.78 grams of Sulfur?

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Q: Calculate the mass of 500. atoms of  fluorine (F). Mass =______  g

A: One mole of a substance is equal to 6.023 x 1023 units of that substance  (such as atoms, ions or…

Q: how many atoms are in 5.8 moles of Neon

A: Welcome to bartleby !

Q: How many moles of aluminum do 3.7x10^24 aluminum atoms represent?

A: The number of units (maybe atoms, electrons, or ions) present in 1 mole of any substance is…

Q: How many electrons are in gold atom? Does protons also take part in chemical reaction?

A: Gold is a chemical element with the symbol Au and atomic number 79, making it one of the higher…

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: How many Chlorine atoms are there in phosgene?

A: Phosgene is a colorless gas having molar mass equals to 98.92 g/mol. It is a suffocating gas.

Q: What is the Law of Multiple of Proportions?

A: Law of Multiple Proportions ----- When two elements react to form two or more compounds, than the…

Q: A 11.65 g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition…

A: Law of constant composition:It is also known as law of definite proportions.  It states that a…

Q: How many helium atoms are in 541 kg of helium?

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Q: An ion has 28 protons, 24 electrons, and 30 neutrons. What is its ionic charge?

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Q: Two compounds of X and Y were prepared. The first was found to be 35.9% X and 64.1% Y. It was…

A: In first compound, the ratio of Y element to X element,YX=64.135.9=1.78Hence 1 g of X reacts with…

Q: Explain why the symbol for an atom of the element oxygen and the formula for a molecule of oxygen…

A: Elemental symbol - Elemental symbol is the representation of an element/atom which is seen in the…

Q: How many electrons are necessary to produce a charge of -1.0 C? What is the mass of this many…

A: SOLUTION: Step 1: An electron has a charge of -1.6 ×10-19 C. The no of electrons necessary to…

Q: Explain in your own words, by writing a short paragraph, how the atomic theory predicts the law of…

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Q: What is the mass of 6.77x10^24 nitrogen atoms?

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Q: In your own words, explain Why do scientists use models to study atoms? In your own words, explain…

A: Atoms are the smallest part to which elements are divided. Or we can say defining structure of…

Q: how many atoms of silver are in 100 grams of silver ?

A: Molar mass is the amount of a substance where 6.023×1023 no of atoms/molecules of that substance are…

Q: Describe the Law of Multiple Proportions?

A: Law of multiple proportion or Dalton's law states that when two elements combines to form more than…

Q: Use what you have just learned about chemical formulas to identify the following as element (atomic…

A: The atoms , molecules, compounds and mixtures are as follows.

Q: How many protons, electrons and neutrons does Cl1?

A: In the question, we have been given a halide ion and we need to calculate the number of electrons,…

Q: A 3.6 g sample of lithium contains how many atoms?

A: Since moles = mass / molar mass  Given : mass of Li i.e lithium = 3.6 g And since molar mass of Li =…

Q: Which element is represented by the following symbol A. Chromium B. germanium C. barium D. iron

A: The given symbol of element is                       5624X  Here,  Mass number of element = 56…

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.