Use your own words and captured images for each question. Everything around us is madeup of different elements. The air has Oxygen and Nitrogen. Plants and people have lots ofCarbon. Helium is in balloons. Hydrogen is in water.Open the 'Symbol' screen, then explore to develop your own ideas about how the atomicparticles determine the name of an atom or ion.1. What determines the element?2. Test your idea by identifying the element for the 3 cases. Insert captured images.Table 3exampleAtom or Ion hasWhat Element is it?# of protons: 6# of neutrons: 61# of electrons: 6# of protons: 7# of neutrons: 62# of electrons: 6# of protons: 63# of neutrons: 7# of electrons: 7

Element The substances that cannot be divided into simpler components by means of any chemical…

Answered: Use your own words and captured images…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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1. Calculate the energies predicted in the following transitions for the hydrogen atom. Show all of your work for at least one example. Theoretical ? Balmer Series ni nf 6 2 5 2 4 2 3 2 nm 410.1 434.0 486.1 656.2 color Violet Violet Green- Red ΔE=Ef –Ei 2. Explain why an element only emits certain colors (wavelengths) of light instead of a full rainbow. 3. What color of light is emitted by a photon with an energy of 3.40 x 10-19 J? What
Fill in the blanks with suitable words: 1. If H is the probability of moving atoms of a lower energy level of atomic number (A1) to an upper level of number of atoms (A2), then (HA1) represents . . 2. One of the important processes to complete the process of balancing the upper and lower transition levels is the process of . . 3. The probability of a self-emission increases with the increase of .. .
Short Answer 1. Explain the historical development of the atomic model from Democritus to Bohr. 2. What is the difference between an emission spectrum and an absorption spectrum for a specific element? 3. What does it mean to say something is radioactive?
Learning Goal: To understand the Bohr model of the hydrogen atom. In 1913 Niels Bohr formulated a method of calculating the different energy levels of the hydrogen atom. He did this by combining both classical and quantum ideas. In this problem, we go through the steps needed to understand the Bohr model of the atom. Part A Consider an electron with charge -e and mass m orbiting in a circle around a hydrogen nucleus (a single proton) with charge +e. In the classical model, the electron orbits around the nucleus, being held in orbit by the electromagnetic interaction between itself and the protons in the nucleus, much like planets orbit around the sun, being held in orbit by their gravitational interaction. When the electron is in a circular orbit, it must meet the condition for circular motion: The magnitude of the net force toward the center, F, is equal to mv²/r. Given these two pieces of information, deduce the velocity of the electron as it orbits around the nucleus. Express your…
Solve using GUESS method. Atomic and Nuclear Phenomena 1. A hypothetical atom has three energy levels with consecutive levels differing by 1 eV. Find the frequency and wavelength that this atom can emit when going from an excited state to a lower energy state.
4. The energy of the atom is in part determined by the electrical potential energy of the electron interacting with the proton nucleus, and when the electron is close to the nucleus it is very tightly bound. That's why the energy is negative, and larger in magnitude the smaller n. What does this tell you about the size of the atom for large n? Explain your reasoning.
Q2. Hydrogen atom Lets have a non-relativistic description of the hydrogen atom using pointlike electron and nucleus without any spin. a. What are the quantum numbers and their range of values of the energy levels? Which energy levels are degenerate?
1. Compare the expression of the effective mass with Newton's second law. Do you observe any similarities? 2. Check the units of the group velocity. Is it what you expect? 3. Do the same for the effective mass. 4. Calculate the effective mass of the free-electron dispersion relation. Is this what was expected? 5. Under what condition is the effective mass the same for each electron?
1. How do electrons move? 2. How to create continuous flow of electron? 3. Draw the diagram and explain how a dry cell (1.5-volt battery) produces voltage. 4. How does a Van de Graaff Generator works? 5. Explain why “Danger! High Current!” is technically more precise than the common notion of the usual statement “Danger! High Voltage!” posted on different voltage sources.
I need explanations to each problem in more than three sentences 1. Why do electrons cross the gap in a vacuum tube? 2. Besides tungsten, what other materials are used for cathodes in vacuum tubes? 3. What is the advantage of directly heated cathodes? 4. How can a sheet of copper be made to emit electrons thermionically?

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