Explain how each scientist’s experiment contributed to the characterization of the atom (example: sub-atomic particles). A. J.J. Thomson and the electron B. Robert Millikan and the Oil Drop C. The Nuclear atom - Rutherford's Metal Foil Experiment

Q: Antimony has 2 commonly occurring isotopes. 57.21% of Antimony atoms have 70 neutrons and 51…

A: Given: Antimony has 2 isotopes For first isotope, Abundance = 57.21% , Neutrons = 70 and protons =…

Q: What are subatomic particles?

A: Sub atomic particle, also called elementary particle, any of various self contained units of matter…

Q: Bromine has two naturally occurring isotopes, Br-79 and Br-81. Given that on the planet Saturn the…

A: To determine which of the isotope is the most abundant on Saturn.

Q: Fill in the blanks. The subatomic particle _____________ lacks a charge and are located in…

A: Subatomic particles are neutron , proton and electron in which electron has -ve charge proton has…

Q: What are the observations and conclusions drawn  by J.J. Thomson while conducting experiments with a…

A: J. J. Thomson developed a glass tube that was partially evacuated, meaning that the building's air…

Q: 8) What kind of formular is C,H,O, consider as? A) Empirical formula B) Moleculr formula C)…

A: Protons and neutrons are present inside the nucleus and electrons are revolving around the nucleus…

Q: Choose one radioisotope and expalain its hazards and uses. b.) Give the A/Z and symbol-mass format…

A: Dear Subscriber! You have posted multiple questions. As per our policy, we have solved only first…

Q: Use Rutherford's gold-foil experiment to answer each of the following: How did the results differ…

A: Rutherford experiment He made to strike fast moving alpha particles with the gold foil. He expected…

Q: Two samples of carbon monoxide are decomposed into their constituent elements. One sample of liquid…

A:

Q: Compare the plum pudding model of Thomson to the nuclear model of Rutherford. Describe the…

A: Plum pudding model of Thomson : In 1898, J. J. Thomson proposed the first of many atomic models to…

Q: Which of the three subatomic particles was discovered first—the proton, neutron, or electron? Which…

A: All matter is composed of atoms and atoms are made up of three subatomic particles- protons,…

Q: Which statements about subatomic particles are false?a. Protons and electrons have charges of the…

A: The particles utilized to form any particular atom are named "subatomic particles" and such…

Q: What particles are found in the nucleus of an atom? What is the charge of the nucleus?

A: Sub-atomic particles are the particles that are present inside the atom. Three sub-atomic particles…

Q: Two samples of carbon tetrachloride are decomposed into their constituent elements. One sample…

A: The ratio of weights in the first sample is 448/ 38.9 = 11.5: 1. The no of moles of carbon and…

Q: Why was it more difficult to discover neutrons than protons or electrons?

A: Neutrons was discovered by James Chadwick in 1932, after the discovery of electrons and protons.

Q: Complete the following shorthand notations: ? (р, а) Li 31P (a, ?) ES 15 242 66Cm (α, n) ? 25Mg…

A:

Q: A sample of chloroform is found to contain 12.0 g of carbon, 106.4 g of chlorine, and 1.01 g of…

A: Total mass of chloroform in first sample = mass of C + mass of H + mass of Cl = (12.0+106.4+1.01) =…

Q: Table 1. Mass # # protons (9.) # neutrons # electrons Symbol 55 (10.) (11.) Co 40 19 (12.) (13.)…

A: Given, Mass of three atoms are provided     Required,                          Number of protons ,…

Q: Which statements are consistent with Rutherford’s nuclear theory as it was originally stated? Why?a.…

A: Rutherford's atomic model also named as "nuclear model". As per Rutherford's nuclear theory, any…

Q: The Law of Conservation of Masses is attributed to the scientist:

A: According to the Law of conservation of mass " the total mass remain conserved which means the total…

Q: Part A Na Na + Express your answer as a particle or a chemical formula. ΑΣφ ? OA chemical reaction…

A:

Q: how many protons and neutrons are in 37Cl?

A: The answer to the following question is given as -

Q: i. How do humans use subatomic particles to the benefit of society? Provide an example and explain…

A: Atom has 60 subatomic particles.Mainly there are three subatomic particles.They are proton,electron…

Q: Neutron was discovered by *

A:

Q: A meteorite found in central Indiana contains traces of the noble gas neon picked up from the solar…

A: The average mass of an element can be defined as the sum of each individual isotope's mass…

Q: In the early 1800s, an English school teacher, John Dalton, proposed six postulates on what an atom…

A: Atom can be divid example  Proton neutron electron  Isotope are present so same element can have…

Q: 3) In a far away land and long ago, a series of experiments were carried out. Three samples of…

A: In 2) Use law of constang proportion Divide the both Kalium and pyron masses We see that A same and…

Q: In any neutral Adam there are equal numbers of? A. Neutrons and electrons B. Protons and neutrons…

A: Neutral atom are those having not any charge. They are wholely neutral

Q: Which of the following statement concerning the nucleus is NOT true? A) The density of a nucleus…

A: The nucleus is the positively charged center in an atom that contains protons and neutrons. The…

Q: i have 16 protons  16 neutrons and 18 electons  what would a sketch look like?

A: Since number of protons = atomic number in case of ions Hence the atomic number of the above atom is…

Q: Hi, I am doing a practice test and need to check my answers. All of this is for Chem 101   Please…

A: Answer of given questions are as follows:

Q: Which idea came out of Rutherford’s gold foil experiment?a) Atoms contain protons and neutrons.b)…

A: Rutherford’s gold foil experiment is also called as Planetary model of the atom in which he told…

Q: A selection of the most prominent individuals mentioned in this topic is given below. Match Column A…

A: In one column , there is different names of Scientists.  On the other column, there is some of the…

Q: (a) Assuming the dimensions of the nucleus and atomshown in Figure 2.10, what fraction of the volume…

A: In order to find the fraction of the volume occupied we first write down the given data: From the…

Q: accomplishments

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Q: Part D Based on your answer in Part B, how many neutrons are in this amount of 13C? Express your…

A: Applying mole concept.

Q: Discovering which of the three subatomic particles proved to be the most difficult—the proton,…

A: From three subatomic particle - the proton, neutron and electrons : Answer :            The NEUTRON…

Q: Which of John Dalton’s theories given below were found to be INCORRECT? 1. the atoms of elements…

A: Dalton's atomic theory was the first theory to describe all matter in terms of atoms and their…

Q: Detailed information about John Dalton should include some biographical information (socioeconomic…

A: John Dalton was the youngest of their three offspring who survived to adulthood.Dalton was born into…

Q: A student says,A carbon atom is not the smallest possible amount of carbon, because atoms are built…

A: An atom contains electrons, protons and neutrons. Therefore, a carbon atom is composed of its…

Q: An atom has a diameter of 1.50 Å and the nucleus of that atom has a diameter of 3.00×10−5 Å.…

A:

Q: SECTION 2: WHY DOES A MOLE HAVE A DIFFERENT MASS? PART A: WATCH THE VIDEO to fill in the blanks and…

A: To fill in the blanks on the information about atom

Q: Determine the number of protons and neutrons in 41/20 Ca?   Number of Protons  Number of Neutrons…

A: Atom contains protons, electrons and neutrons.  Protons are positively charged and electrons are…

Q: What were the challenges that John Dalton went through  including how he got their knowledge to be…

A: John Dalton most famous discoveries include Dalton atomic theory Dalton Law of Partial Pressure.(…

Q: There are only two naturally-occuring stable isotopes of chlorine. The mass and natural abundance of…

A: There are only two isotopes of chlorine is present. Chlorine- 35 and chlorine -37  Mass of…

Q: the atoms listed below, which has the largest mass?   A. all have the same mass B. lead C. uranium…

A: Atoms which have more number of neutrons and protons have greater mass because mass is due to…

Q: For 223FT, number of protons = number of neutrons = + and number of electrons = For 227 Fr, number…

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

Q: 31. Which of the following parts of Dalton's theory were proven incorrect with newer versions of…

A: Some points about Dalton's atomic theory :  1)Dalton's atomic theory was the first complete attempt…

Q: Which of the following experiments helped to support Dalton’s atomic theory? A)Thomson’s cathode…

A: Dalton's Atomic Theory 1) All matter is made of atoms. They are indivisible and indestructible. 2)…

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.