Explain the following statement: The smallest particles uniqueto a compound cannot be atoms

Q: 200 words, explain of what are atoms composed?

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Q: is formed when elements combine. The COIna chemical reaction a new Different elements combine to…

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Q: calculate the masss of carbon in a 1-carat diamond that contains 7.56 x 10^22 atoms of carbon

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Q: Explain how molecular and structural formulas symbolize the composition of compounds

A: Chemical substances written in the form of symbol and formulas of their elements is known as…

Q: A sample of monochloro pentaborane (9), B5H8Cl, has a mass of 20.7 g. What amount, in moles, does…

A: Chemical formula of monochloro pentaborane = B5H8Cl.Above compound contains B, H and Cl atom.

Q: Nitrogen (N) and silicon (Si) form two binary compoundswith the following compositions:Compound…

A: (a) According to given information, in compound 1 the mass percent of N and Si is 33.28 and 66.72…

Q: 2. Which compound (C12H22011 or NH,CI )contains the most total number of atoms?

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Q: Distinguish between molecular substances and ionic substances in terms of their composition?

A: Ionic compounds have strong ionic bonds while molecular substances have covalent bonds. Molecular…

Q: Boron has two naturally occurring isotopes, ¹⁰B (19.9%)and ¹¹B (80.1%). Although the B₂ molecule…

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Q: What kind of chemical formula can be obtained from experimental data showing the relative masses of…

A: The formula obtained is:

Q: 1. Complete the following table. cation Anion No. Compound Empirical Formulas a. Potassium sulfide…

A: Writing the table below:

Q: Which kind of chemical formula can be obtained from experimental data showing the relative masses of…

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Q: ow many moles of H2O does 1.2 x 1024 molecules represent?

A: Given,  1.2 x 1024 molecules of H2O

Q: The atomic weight of bromine is 79.904, yet no atom of bromine weighs 79.904 amu. Why is this true?

A: Given : The atomic weight of bromine is 79.904, yet no atom of bromine weighs 79.904 amu.

Q: There are 6.02x1023 atoms in one mole of any element. Assuming that the titanium rod in the question…

A: Given that, Number of moles of titanium = 4.70 moles

Q: How many carbon atoms are in a pure diamond (all carbon) with a mass of 52.00 mg? A. 4.330 x 103 O…

A: Given: Mass of carbon = 52.00 mg = 52×10-3 g (since 1 g = 103 mg) Atomic mass of carbon = 12 g/mol

Q: If 10 magnesium(Mg) atoms and 10 chlorine(Cl) atoms were to bump into each other, coukd they combine…

A: If 10 atoms of magnesium and 10 atoms of chlorine bump into each other, they will combine to form a…

Q: The mass spectrum of an organic compound shows the relative abundances of M to be 87.83% and M+ 1 to…

A: Relative abundance/intensity of M+1 peak = 11.40 % Relative abundance/intensity of M peak = 87.83 %…

Q: A sample of Fe(H2PO4)3 that contains 12 000 oxygen atoms must also contain how many phosphorus…

A: Given Number of oxygen atoms = 12000 To find number of phosphorus atoms

Q: White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm³. How many…

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Q: A sample of cyanic acid, HCN, contains  3.33 x 1022 atoms. a. How many moles of cyanic acid are in…

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Q: A typical silicon chip has a mass of 2.3 x 10-4 g. Assuming the chip is pure silicon, how many…

A: Given that the mass of silicon chip is 2.3×10-4 g. The number of moles can be calculated using the…

Q: A 2.37 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 3.24 x 1044…

A: Given data,  Mass of nitrous oxide = 2.37 g  Contains 3.24 × 1022 N2O molecules

Q: A drop of water, H2O, has a volume of approximately 0.050 mL. Assuming that the density of water is…

A: Given volume of 1 drop = 0.05 ml density of 1 drop = 1 g/ml number of drops = 3

Q: A formula unit of potassium sulfide (K2S) would consist of what particles?

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Q: Explain the problem with this statement and correct it: “The chemical formula for ammonia (NH3)…

A: A chemical formula identifies each constituent element by its chemical symbol and indicates the…

Q: Which law states that a compound always contains the same elements in the same proportion by mass?

A: This law was stated by Joseph Proust who was a well-known French chemist.He gave this law as a…

Q: Find the mass of 1 molecule of NO in gram. а. 4.98 х1023 b. 30 C. 4.98 x10-23 d. 15

A: According to mole concept, mass of Avogadro number (6.022 × 1023) of molecules is equal to the molar…

Q: A 2.41 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 3.30 x 102…

A: Given: Number of molecules of N2O =3.30×1022 molecules And mass of N2O sample =2.41 g

Q: How many grams of sugar C12H22O11 that consists of 1.25 x 1024 atoms of hydrogens?

A: Given that ; We have to determine the mass of sugar (in g) that consists of 1.25 x 1024 atoms of…

Q: 1. Calculate the mass of each sample. a. 1.05 x 10 26 atoms of neon, Ne(g) b. 8.72 x 1021 molecules…

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Q: How many atoms are specified by each of these prefixes: mono-, di-, tri-, tetra-, penta-, hexa-?

A: All chemical compounds can be named with certain rules which are purposed by IUPAC. It purposed to…

Q: How many carbon atoms are in 2.65 x 1023 molecules of C,H,?

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Q: Write the molecular and empirical formulas of the following compounds:

A: Given: Four compounds:

Q: What are the formulas of the following substances? (a) PCI;; Molec. mass = 137.3 amu (b) Nicotine,…

A: Molar mass is defined as an average mass of atoms present in the chemical formula. It is the sum of…

Q: 1. Write the following compounds: a. Barium Selenide b. Magnesium phosphide c. Potassium nitride d.…

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Q: Calculate the exact masses of the ions C5H8O1 and C6H12 1, both of which have a nominal mass of 84.…

A: The organic compounds can be identified by various characterisation techniques. For example, NMR,…

Q: A macromolecule has an empirical formula of C4H306. The molecular mass for the macromolecule is…

A: Given :- empirical formula of macromolecule = C4H3O6  Molecular mass of macromolecule = 429.21 g/mol…

Q: If the exact mass for an unknown compound is 99.0684 amu, which of the following is the correct…

A: Molar masses of the atoms constituting the given compounds are as follows:- Molar mass of Carbon…

Q: How many carbon atoms are in a pure diamond (all carbon) with a mass of 52.00 mg? O A. 4.330 x 100 O…

A: Diamond is made up of pure carbon given , mass of diamond =52 mg STEP 1 conversion mg unit to gram…

Q: What is the sum of the masses of 1 Fe atom + 2 Cl atoms? Enter your answer rounded to four sig figs,…

A: Given : To determine the sum of the masses of 1Fe atom + 2 Cl atoms

Q: The Cullinan diamond was the largest natural diamond ever found (January 25, 1905). It weighed 3104…

A: 6.023× 10^23 is called Avogadro's number. 1 mole of any substance contains Avogadro's number of…

Q: A 1.98 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 2.71 x 1022…

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Q: Which of the following contains the same number of atoms as in 6.0 grams of carbon? O 6.0 grams of…

A: The correct answer is given below

Q: if a gold atom has a radius of 145 pm and you could string gold atoms like beads on a thread, how…

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Q: TRUE or FALSE A mole is the amount of a substance that contains as many elemental entities as…

A: Ans. TRUE The value of the mole is equal to the number of atoms in exactly 12 grams of pure…

Q: <p>Two substances have the same molecular and empirical formulas. Does this mean that they…

A: A molecular formula uses chemical symbols and subscripts to indicate the exact numbers of different…

Q: How many of the indicated atoms are represented by eachchemical formula: (a) carbon atoms in…

A: The number of indicated atoms present in each chemical formula are:

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.