Which of the following statements is the law of definite proportions? a. All elements in a compound have the same mass b. If two compounds contain the same elements then they will have the same properties c. When two elements react to form more than one compound, a fixed mass of one element will react with masses of the other element in a ratio of small whole numbers. d. All samples of a pure compound contain the same elements in the same proportions by mass

Q: Consider two compounds. Compound A contains 15.7 g of sulfur and 18.6 of fluorine. Compound B…

A: Mass of fluorine in compound A = 18.6 g Mass of sulfur in compound A = 15.7 g Mass ratio of fluorine…

Q: 8) A pure sample of an element was vaporized and injected into a mass spectrometer and the data was…

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Q: A sample of tryptophan synthesized in the laboratory contains 29.4 g of carbon and 7.12 g of oxygen.…

A: Law of definite proportions indicate that irrespective of source, the amount of substance present in…

Q: C. The following are some metals that form more than one cation. List the cations that they form.…

A: A positively charged ion is called as cation. The cations are formed after loss of one or more…

Q: Rank the elements in the table below in order from least to greatest number of atoms. Mass (g)…

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Q: Is wood a metal or nonmetal? 2. Is melon a metal or nonmetal? 3. How many protons, electrons and…

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: A generic element, G, is composed of two isotopes, ¹32G and 128G. 132G has a natural abundance of…

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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: What is the difference between molecules and compounds? Give examples of each.

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Q: A sample of Co weighs 77.2 grams. Will a sample of Sn that contains the same number of atoms weigh…

A: Weight of Co sample = 77.2 g Atomic mass of Cobalt = 58.93 amu Atomic mass of Sn = 118.7 amu

Q: In a lab experiment, 5.2 g of Mg reacts with sulfur to form 12.1 g of magnesium sulfide. How much…

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

Q: Consider a sample that consists of three green spheres and one blue sphere. the green mass is 3.00g…

A: Given : Mass of green spheres = 3g Mass of blue sphere = 1g

Q: 01. Suppose you have atoms A and B. Which of the following is not true? A. All matter is composed of…

A: 1)  A) True . all matter is composed of small particles called atoms . B) false . Nuclear…

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.