An unknown particle is caused to move between two electricallycharged plates, as illustrated in Figure 2.7. You hypothesizethat the particle is a proton. (a) If your hypothesis iscorrect, would the particle be deflected in the same or oppositedirection as the b rays? (b) Would it be deflected by asmaller or larger amount than the b rays?

Q: Which of the following equations violates the law of conservation of mass? Select all that apply.…

A: Law of conservation of mass: This law states that the mass of an isolated system can neither created…

Q: Which subatomic particle has a negative (-1) charge?

A: There are total 3 sub-atomic particles which are present in any atom.

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: We are given relative abundance of two isotopes of Sn. We have to find its average atomic mass.

Q: Given the following mass doublet values (in units of 10- u), compute the corresponding values for…

A: (1) m(C3H)-m(37Cl) = 41922.2+/-0.3 in (10-6 u) = 0.0419222+/-0.0000003 So 3m(12C)+m(1H)-m(37Cl) =…

Q: 7. Is matter usually charge-neutral? How would matter be different if it were not charge-neutral?

A: Matter is neutral since they have equal number of protons(positively charged) and electrons…

Q: n = 4, l= 1, me %3D Express your answer as an integer. Number of electrons =

A: Question belong to Quantum number in atomic structure. We will find maximum number of electron…

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: The astronaut then measures the abundance of silicon on the new planet, obtaining the following…

A: Isotopes are defined as the ones which have same atomic number but different mass number. Atomic…

Q: Which is the correct sequence of the scientists who made major changes in the model of the atom?…

A: Atomic theory was first proposed by John Dalton in 1803. According to Dalton's Theory,  1. Elements…

Q: Which subatomic particle(s) are found in the nucleus of the atom? Enter the subatomic particle or…

A: To find : Which subatomic particles are found in the nucleus of the atom.

Q: Go Figure What is the charge on the particles that form the beam? Will they beattracted to or…

A: Basic unit of matter is atom. Study of atom was done by many scientists. Each scientist made some…

Q: An element consists of 1.40% of an isotope with mass 203.973 amu, 24.10% of an isotope with mass…

A:

Q: (a) Are the elements calcium, barium, and radium in the same group or same period in the periodic…

A: A horizontal row in the periodic table is known as periods and a vertical column in the periodic…

Q: For each of the following processes, does the potential energyof the object(s) increase or decrease?…

A: The energy that objects can contain due to their position is addressed as "potential energy". This…

Q: LKuipor Bek asderolch Jupiter Mércúry Venus * Uranus Saturn Mars Earth Ceres Neptune Jupiter Pluto…

A: Dwarf planet : Dwarf planet is a celestial body orbiting a star that is massive enough to be rounded…

Q: Which of the following is true?    a) There are only protons in the nucleus of the atom.  B) It…

A: Which of the following statement is true ?

Q: By one estimate, an electron travels around the nucleus of an atom at a speed of 1.50 x 10^6 m/s.…

A: A) To change m/sec into km/Hr we multipy 18/5 1.5×106×18/5= 5.4×106km/hr

Q: The element xenon (Xe) was the last of the noble gases discovered by Sir William Ramsay, and the…

A: Given information: Atomic volume of argon = 22.56 cm3/mol Atomic volume of krypton = 27.99 cm3/mol

Q: The vitamin niacin (nicotinic acid, C6H5NO2) can be isolated from a variety of naturalsources such…

A: To find: The source of nicotinic acid which is best for use in a multivitamin tablet.

Q: Is the size of chlorine smaller or larger than fluorine? Justify your answer.

A: Given, size comparison between chlorine and fluorine.

Q: dentify which particle (P or Q or R) suits best as an example for following terms. Justify your…

A: The particle P has 15 electrons and 15 protons which means it is neutral in nature. Hence, it…

Q: Diagram an atom of nitrogen which consists of 7 protons, 7 neutrons and 7 electrons. Be sure to…

A: Answer -

Q: Antinomy, Sb, has 2 isotopes and an atomic weight of 121.75 amu. The isotope anitimony-121 has a…

A:

Q: Enter the appropriate symbol for an isotope of phosphorus-32 corresponding to the isotope notation…

A: The term isotopes can be defined as the variants of a given chemical element that differ in neutron…

Q: In what way are isotopes of a given element always different? In what way(s) are they always the…

A:

Q: Sort the characteristic properties of the following isotopes of nitrogen into their respective bins.

A:

Q: An atom is 1.3x10-10 m in diameter. If an atom was 1cm in diameter, how tall would you be (1.78m).

A: The height of a person is 1.78 m when the diameter of an atom is 1.3x10-10 m or 1.3x10-8 cm. Now…

Q: In the Rutherford Gold Foil Experiment, why did Rutherford expect the alpha particles to pass…

A: Based on Thomson's plum pudding model, Rutherford predicted that most of α particles would pass…

Q: Con The gold fol Rutherford used in his scattering experiment had a thickness of approximately 4103…

A: Given: Diameter of a single atom = 2.9 x 10-8 cm Thickness of a gold foil = 4 x 10-3 mm = 4 x 10-4…

Q: Which of the following  NOT correctly matched the scientists and their models? Select one: a. J. J…

A: We have to choose the correct statement for the following given scientists and their models as…

Q: Does uncertainity principle is applicable to all subatomic particles?

A: For the subatomic particles, their exact position and the exact velocity cannot be determined at the…

Q: 6. Tungsten is atomic number 74 on the Periodic Table. Supply the indicated information for a…

A: Given,  Atomic number of Tungsten = 74  184W  mass number = 184

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

A:

Q: Particle Number of Electrons Number of Protons Number of Neutrons A 11 9 11 B 9 9 10 C…

A:

Q: n atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm. If the atom is assumed to…

A: Given that the diameter of a rhodium atom is 2.7×10−8 cm To calculate the volume of an atom of…

Q: Rutherford’s experiment indicated that matter was not asuniform as it appears. What part of his…

A: Rutherford’s experiment indicated that matter was not asuniform as it appears. What part of his…

Q: Ernest Rutherford concluded from experiments that they indicated nuclei of atoms are relatively O A.…

A: Correct ans- Far apart and positively charged.

Q: Since different isotopes of the same element have the same chemical behavior, how can they be…

A:

Q: A brief summary indicating Thomson major contribution to the atomic theory.

A: J.J. Thomson was the first to propose a model of the atom. He considered the atom as a sphere in…

Q: Mendeleev left empty spaces in his periodic table for elements he suspected existed but had yet to…

A: Mendeleev is the first who makes groups and rows. Mendeleev also left empty spaces in his periodic…

Q: Identify each of the following elements as a metal, nonmetal,or metalloid: (a) phosphorus, (b)…

A: Metals and Nonmetals are different types of materials present around us. Metals (like copper and…