2. Which of the following statements is accurate? Explain. "The mass of the student is 56 kg." The weight of the student is 56 kg." 3. Three elements in Group 8A of the periodic table are called noble gases: helium, neon, and argon. Explain the term noble "in this particular setting.

Q: An element has two naturally occurring isotopes. Isotope 1 has a mass of 184.9530 amuamu and a…

A:

Q: etermine the number of atoms in 37.0 grams of sodium, Na. (The mass of one mole of sodium is 22.99…

A: Mass of sodium =37.0g Atomic mass of sodium = 22.99g/mol Moles of sodium = 37.0g/22.99g/mol = 1.61…

Q: help

A: Mass of Mn Calculate by simply multiple both moles and it's atomic mass. Mass of Mn = ( moles of Mn…

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A:

Q: Determine the number of atoms in 33.0 grams of calcium, Ca. (The mass of one mole of calcium is…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: 3. Identify in sulphur dioxide SO2, the type of i. intramolecular bonding, ii. intermolecular…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

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Q: 24. The total number of sodium atoms in 46.0 grams of sodium is A. 3.01 x 1023 atoms B. 6.02 x 1023…

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Q: Which is true regarding the compound KCI? Note that this is CI" for chlorine, not "C" for carbon and…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

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

Q: The three isotopes of a naturally occurring mystery element X are 39X, 38.963707 amu; 40X, 39.963999…

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Q: Determine the mass in grams of 7.75 x 1021 atoms of carbon. (The mass of one mole of carbon is 12.01…

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A: Average atomic mass = 64.928 g/mol  % abundance = ?

Q: new (imaginary) element has been discovered.  It exists in three naturally occurring isotopic forms.…

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Q: 3. Which one of the following is a monoatomic element? a) oxygen b) iodine c) argon d). nitrogen

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Q: Plz do Asap....!

A: C option is the right option. NaCl The structures: Sodium, magnesium and aluminum oxides consist of…

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.