Which answer can be used to illustrate the law of multiple proportions?    a, CO2, H2CO3 b, CH4, CO2 c, HCl, Cl2 d, NaF, NaBr e, SO, SO2 3, Which of the following was not postulated by Dalton?   a, Atoms of one element differ in properties from atoms of all other elements. b, Atoms can be decomposed into smaller particles protons, neutrons, and electrons.

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

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Q: Dalton proposed an Atomic Theory in which all atoms of an element are identical and have the same…

A: Dalton proposed an Atomic Theory in which all atoms of an element are identical and have the same…

Q: Calculate the relative abudance of the two europium isotopes.

A: According to the question Eu-151 has mass 150.916 amu and Eu-153 has mass 152.9209.  The average…

Q: Which of the following pairs can be used to illustrate the law of multiple proportions? O H₂O and…

A: The law of multiple proportions describe that two elements are connected to form more than one…

Q: 2. Atoms, Molecules and lons: Nuclear Arithmetic This puzzle focuses on the types and ambers of…

A: Information about the question

Q: Suppose we have three hypothetical atomic nuclei: A, B, and C. Nucleus A has 3 protons and 4…

A: According to the question, we have three hypothetical atomic nuclei:A, B, and C. Nucleus A has 3…

Q: Symbol 159Tb         Protons   29     37 Neutrons   34 53     Electrons     42 34   Mass no.…

A: Given: Symbol Tb159         Protons   29     37 Neutrons   34 53     Electrons     42 34…

Q: Chorine has 2 isotopes, 35Cl and 37Cl. A fellow student calculated the natural abundances of each…

A: Answer - According to the question - Given values are - Chorine has 2 isotopes,1 = 35Cl…

Q: A) Use the Law of Definite Proportions to describe the relationship between the three compounds…

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Q: 1. Demonstrate the Law of Multiple Proportions with the following data: a. Iron forms two compounds…

A: The objective of this question is to demonstrate the Law of Multiple Proportions using the given…

Q: mples of compound X, Y, and Z are analyzed, with results shown below. Mass of Hydrogen 0.148 g 0.329…

A: Law of Definite Proportion states that every Chemical Compound contains fixed and constant…

Q: Imagine an alternate reality. The Thomson cathode ray experiments arrived at a charge to mass ratio,…

A: Here, we have to determine mass of electron.

Q: Fluorine (F) and sulfur (S) can form several different compounds. In one analysis it shown that the…

A: Given: Mass of F in compound 1 = 5.55 g. Mass of S in compound 1 = 1.56 g. Mass of F in compound 2 =…

Q: Isotope symbot: (For the isotope symbol, type in without superscripts. For example, 184w would be…

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Q: Fill in the gaps in the following table:

A: Atomic Number = Number of Protons  Mass Number = Number of Protons + Number of Neutrons Symbol -…

Q: What do these have in common?

A: given- 69Kr       70Br-1         76Sr+2to find-what is common among them.

Q: The element chlorine (Cl) exists naturally in two isotopic forms with the following abun-dances:…

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Q: Sulfur and fluorine form at least two compounds-SF4 and SF6. Explain how these compounds can be used…

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Q: Which of the following statements is FALSE according to Dalton's Atomic Theory? Atoms combine in…

A: Dalton's atomic theory:  1. Matter consists of indivisible atoms that is atoms can not be further…

Q: How many protons and electrons are present in an atom of strontium (Sr)? ooo Protons = 38, Electrons…

A: Atomic number: The number of protons in an atom is considered as atomic number. In a neutral atom,…

Q: Two samples of sodium chloride with different masses were decomposed into their constituent…

A: Law of definite proportion :  The law states that a compound has its elements in a fixed ratio…

Q: Potassium (K) has two stable isotopes: 39 and 41K. Based on the average atomic mass of potassium…

A: The average atomic mass of an element is calculated by taking the weighted average of the masses of…

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…

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.