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…

A:

Q: Thomson's experiments with a cathode ray tube demonstrated that protons are positively charges…

A: J J Thomson is one of the famous scientist in discovery of atomic structure and subatomic particles…

Q: In the figures below, two types of atoms are represented by small white circles and large red…

A: Law of definite composition states that a given compound always contains its constituent atoms in…

Q: The figure shown below shows the structure of cytidine, one of the essential components of RNA.…

A: Given is structure of cysteine.

Q: Suppose that atomic masses were based on the assignment of a mass of 12.000 g to 1 mol of carbon,…

A: An element is positioned on the basis of atomic number. Each atom will have a fixed and different…

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: Enter your answer in the provided box. Calculate the average atomic mass of chlorine. The…

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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 manufacturer begins with 15.00 kg15.00 kg of cinnabar and produces 12.93 kg12.93 kg of elemental…

A: Since you have posted multiple questions, we are entitled to answer the first clear question only.…

Q: Is the statement inconsistent with Dalton’s atomic theory as it was originally stated? Why? The…

A: Yes,the statement that formation of a compound often involves the destruction of of one or more…

Q: 2. Write the atomic symbol ( zA) for the following a) the element with 8 protons and 18 neutrons b)…

A: 1. Z= atomic number= no. of proton in an element A= mass number= Z+ no. of neutron As per the…

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

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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: 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: Sulfur forms two oxides. In one of them, 1.87 grams of sulfur combines with 1.87 grams of oxygen,…

A: The rule of multiple proportions put forwards that for the formation of multiple number of compounds…

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: 6. Subatomic Particles. Fill in the blanks in the following (table 1). Show your solution 54.24…

A: Fill the table by using suitable number and symbol---

Q: Which orbital is lower in energy in a many-electron atom? 4s O 3s X S

A: Energy of sub orbitals are gone by above principle and (n +l)rule

Q: Fill in the blanks. Be sure to input the isotope symbol fully. For example, if the isotope were "58…

A: Given: Number of protons = 80  Number of electrons = 78  And mass number = 202

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: 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: The figure shown below shows the structure of cytidine, one of the essential components of RNA.…

A: Molecular formula of any molecule may be written as CnHxNYOz Where n ,x, y and z are number of…

Q: Fill in the gaps in the following table: Symbol Protons 34 50 Neutrons 45 69 118 Electrons 46 76 Net…

A: The given table has to be filled,

Q: The law of definite proportions is sometimes called the law of constant composition. True or false?

A: Law gives the scientific knowledge and is made on the basis of performed experiments with proven…

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: Complete the table below, using the diagram of an atom shown at right. name symbol 8 0 proton Bo n 0…

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Q: To which classes of matter—element, compound, and/ormixture—do the following apply: (a) law of mass…

A: The law of conservation of mass deals with the conservation of matter and law of definite…

Q: 1) There are 10 Protons in a neutral atom and it is a gas at room temperature and how many neutrons…

A: For an atom, protons are equal to the number of electrons and atomic number.  Proton=electrons =…

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…

Q: For an unknown isotope ion, fill in the missing information below. Isotope symbol: (For the isotope…

A: Charge depends on number of electrons. Neutrons can be calculated from the mass number and protons

Q: calculations

A: Here we are calculating  mass by using molecular mass

Q: b) Calculate the number of protons, electrons and neutrons that the element Xy have. www. Protons=…

A: Given : For XyMetal  Number of electrons = 56  Number of protons = 56 Number of neurons = 44

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.