From the information in this chapter on the mass of the proton, the mass of the electron, and the sizes of the nucleus and the atom, calculate the densities of a hydrogen nucleus and a hydrogen atom.

Q: A sample of mercury with a mass of 114.0 g was combined with 12.8 g of oxygen gas, and the resulting…

A: The reaction taking place is  2 Hg + O2 -----> 2 HgO Hence from the above reaction we can say…

Q: Explain how J. J. Thomson’s determination of the charge-to-mass ratio of the electron led to the…

A: Thomson Atomic model introduced us to the world of subatomic particles. He discovered the first-ever…

Q: If you wanted to make an accurate scale model of the hydrogen atom and decided that the nucleus…

A: Answer :

Q: What are the main ideas in Dalton’s atomic theory? How do they help explain the laws of conservation…

A: Dalton’s atomic theory ideas are as follows All matter is made up of tiny constituents called…

Q: What is the charge for an atom that has 28 protons, 28 electrons, and 30 neutrons?

A:

Q: Are electrons, protons, or neutrons the smallest particles? If not, what are? (Explain in 200 words)

A: A matter is made up of molecules. Where as atoms are the building block of molecules.  Atom are made…

Q: What is the mass number of an ion with 106 electrons, 159 neutrons, and a +1 charge? Express your…

A: Since it is an ion, the number of electrons is calculated with the expression given below in which…

Q: Distinguish among the types, locations, and charges of subatomic particles.

A: Protons, neutrons are electrons  that are the three fundamental subatomic particles present in the…

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

A: Given: Two samples of carbon tetrachloride are decomposed. One sample produces 38.9 g of carbon and…

Q: Compare the properties of the following: α particles, cathode rays, protons, neutrons, and…

A: Protons: They are positively charged particles present in the nucleus of an atom. Electrons: They…

Q: Calculate the mass, in grams, of each sample. a. 1.1 x 10 gold atoms b. 2.82 x 102 helium atoms c.…

A: Calculate the mass in grams of each sample  (a) 1.1 x 1023 gold atoms (b) 2.82 x 1023  helium atoms…

Q: Which statement about the three fundamental particles is false? O a. The charge of a proton is equal…

A: Electrons, protons and neutrons are considered as fundamental partials of atom

Q: How many electrons make up a charge of 56nC? If these are made of copper atoms, how many atoms would…

A: The charge is always quantized. The number of electrons can be determined as follows: Number of…

Q: Consider 100.0-g samples of two different compounds consisting only of carbon and oxygen. One…

A: According to the law of multiple proportions when two elements react together to form more than one…

Q: Describe the structure of the atom in terms of protons, neutrons, and electrons and express the…

A: The atomic number defined as the number of electrons or number of protons present in a neutral atom.…

Q: In our modern view of matter and energy, is the law of mass conservation still relevant to chemical…

A: In our modern view of matter and energy, the law of mass conservation still relevant to chemical…

Q: How has the understanding of the structure of the atom changed over time? Briefly describe the…

A:

Q: The amount of carbon-14 in ancient artifacts and fossils is often used to establish their age.…

A: Given, the amount of Carbon-14 in ancient artifacts and fossils is often used to establish their…

Q: A subatomic particle that has about the same mass asthe hydrogen atom and a negative charge is…

A: Subatomic particles are particles that are smaller than atoms. Generally, atoms are compromised of…

Q: What is an atom? O It is composed of protons and electrons but not neutrons O It is the smallest…

A:

Q: Are electrons, protons, or neutrons the smallest particles? If not, what are?

A: We need to determine wheather  electron, proton or neutron are the smallest particle or not.

Q: Describe the electrical charges and relative masses of protons, neutrons, and electrons

A: Atomic Structure: The atomic structure can be described by saying that, atoms contain three types of…

Q: Give 3 examples of minerals that forensic geologists commonly encounter in soil samples. Give the…

A: Soil contains many essential minerals that are used in further technologies. These minerals are…

Q: Explain the following statement: The smallest particles unique to an element may be atoms or…

A: An atom is formed of three main sub-particles namely, electrons, protons, and neutrons. Protons and…

Q: 1. Determine the number of electrons necessary to equal a mass of 1.15 x 10 grams.

A:

Q: Consider a hypothetical case in which the charge on a proton is twice that of an electron. Using…

A: We need to consider the hypothetical case where the charge on the proton is twice than that of an…

Q: Explain how Dalton’s atomic theory offered a convincing explanation of the observation that mass is…

A: The parameter by which Dalton's atomic theory provided appropriate explanation of observation that…

Q: The charge to mass ratio of an electron was determined from Thomson's cathode-ray tube experiment to…

A: From Thomson's cathode ray ride experiment we determine charge to mass ratio of an electron.…

Q: What is the mass of iridium 2 most common isotopes and the numbers of protons and neutrons in each…

A: The elements which has same atomic number but different mass number is known as Isotopes. Iridium…

Q: Which scientist suggested that atoms combine in different whole-number ratios to form compounds but…

A: Dalton explain first of all the Atomic theory of atom. In 1808 he put forward a theory which is…

Q: Two samples of sodium chloride are decomposed into their constituent elements. One sample produces…

A: Given: Two samples of sodium chloride. One sample gives 6.98 g of sodium and 10.7 g of chlorine.…

Q: Calculate the mass of a gold-197 atom using the information from question 9 and the masses of the…

A: The ratio of mass to the volume of the solution is known as density.

Q: Which one of the following is the chemical symbol of an atom with 17 protons and 20 neutrons?

A:

Q: What is the name of the following atoms a) an atom? with 3 protons and 4 neutrons.

A: Given that, a)an atom with 3 protons and 4 netrons What is the name of it?

Q: Is the underlined part of the macroscopic domain, or the microscopic domain of chemistry ? A carbon…

A: The term macroscopic refers to the objects that can be seen by the naked eyes. Macroscopic is just…

Q: Naturally occurring chlorine (Cl) consists of 2 isotopes, 35Cl and 37Cl. Their relative abundances…

A:

Q: How many protons, neutrons, and electrons are contained in an atom of argon, which has an atomic…

A: The atomic number is determined by the number of protons. The number of neutrons is obtained by the…

Q: How many protons, neutrons, and electrons are in one atom of Zn ? O A. 30 protons, 40 neutrons and…

A: Answer option A. 30 protons, 40 neutrons and 30 electrons.

Q: Consider a hypothetical case in which the charge on a proton is twice that of an electron. Using…

A: Atomic number of potassium is 19 and mass number is 39

Q: Magnesium has three naturally occurring isotopes with masses of 23.99, 24.99, and 25.98 amu and…

A:

Q: A sample of compound A (a clear, colorless gas) is analyzed and found to contain 4.27 g carbon and…

A: Given: For compound A Mass of carbon = 4.27 g Mass of oxygen = 5.69 g For compound B Mass of carbon…

Q: Explain why there is a difference in size between the neutral atom chlorine and its anion, making…

A:

Q: Currently, the atomic mass unit (amu) is based on being exactly one-twelfth the mass of a carbon-12…

A: The mass of an atom is not only due to the sum of the masses of the neutrons, protons and electrons…

Q: In the periodic table, calcium, element 20, is surrounded by elements 12 magnesium , 19 potassium,…

A: The most resemple element of calcium atom is magnesium and Strontium.

Q: The radius of a tantalum atom is 142 pm. How many tantalum atoms would have to be laid side by side…

A: The radius of tantalum atom =142 pm=142 x 10-12 m 1 pm = 10-12 m Diameter of tantalum atom =2 x 142…

Q: Which of the following are considered charged particles? O a protons and neutrons O b protons and…

A: Charged particles are the ones having electric charges on them, either positive or negative.…

Q: Which of the following statements is TRUE, and why? A. Anions are usually larger than their…

A: A. Anion: It is the negatively charged species which has more number of electrons than protons.…

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

A: Is the given statement inconsistent with Dalton's atomic theory as it was originally stated has to…

Q: Give the complete chemical symbol for the atom that contains82 protons, 82 electrons, and 126…

A: Given information,      Atom contains 82 protons, 82 electrons, and 126 neutrons