Alpha protons Study guides, Class notes & Summaries

Layout of an element (mass # & atomic #) CORRECT ANSWER atomic number = CORRECT ANSWER # of protons mass number = CORRECT ANSWER # of protons + neutrons the number of protons in a neutral atom will equal the CORRECT ANSWER # of electrons how to find the correct number of neutrons CORRECT ANSWER mass number - atomic number Forms of the same elements that differ in amount of neutrons CORRECT ANSWER isotopes What particle, if lost from the nucleus, would NOT cause a change in the...

When polonium (atomic mass 210 & atomic number 84) emits an alpha particle, which of the following decay products results? a. Bismuth (atomic mass 209 & atomic number 83) b. Lead (atomic mass 206 & atomic number 82) c. Thallium (atomic mass 204 & atomic number 81) d. Mercury (atomic mass 201 & atomic number 80) CORRECT ANSWER b. Lead (atomic mass 206 & atomic number 82) Atomic Mass is: a. the number of protons in the nucleus b. the total number of protons & neutrons in the nucleus c. a...

TEST BANK FOR CHEMISTRY AN ATOMS FIRST APPROACH, 2ND EDITION BY STEVEN S. ZUMDAHL | COMPLETE CHAPTER 1-21 | . Chapter 1 - Chemical Foundations 1. Consider the element indium, atomic number 49, atomic mass 114.8 g. The nucleus of an atom of indium-112 contains: a. 49 protons, 63 neutrons, 49 electrons. b. 49 protons, 49 neutrons. c. 49 protons, 49 alpha particles. d. 49 protons, 63 neutrons. e. 49 protons, 112 neutrons. ANSWER: d POINTS: 1 2. A hypothetical element consists of two isoto...

Radon Measurement Professional Exam (InterNACHI and AARST) A _____ refers to the series of transformations that a given radionuclide will undergo, as well as the kind of radiation it emits, which are characteristic of the radionuclide - correct answer decay chain _____ are the extremely small particles of which we, and everything around us, are made. - correct answer atoms If one atom were the size of the Houston Astrodome, its nucleus would be roughly the size of a _____. - correct answe...

TEST BANK FOR CHEMISTRY –THE CENTRAL SCIENCE 15TH EDITION BY THEODORE | REAL TESTED EXAM QUESTIONS ANSWERED CORRECTLY | LATEST UPDATE Chemistry: The Central Science, 15e (Brown, et al.) Chapter 2 Atoms, Molecules, and Ions 2.1 Multiple-Choice Questions 1) A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of . A) the law of multiple proportions B) the law of constant composition C) the law of conservation of mass D) the law of conservat...

(d) is not detected by human senses, is naturally occurring, does not chemically react - Which of the following are characteristics of radon? (a) has no static charge, solid particle, does not react chemically (b) is a gas, radioactive, can be detected by human senses (c) is man-made, does not chemically react, is a gas (d) is not detected by human senses, is naturally occurring, does not chemically react (c) protons and neutrons - The nucleus of an atom consists of: (a) electrons and pr...

When polonium (atomic mass 210 & atomic number 84) emits an alpha particle, which of the following decay products results? a. Bismuth (atomic mass 209 & atomic number 83) b. Lead (atomic mass 206 & atomic number 82) c. Thallium (atomic mass 204 & atomic number 81) d. Mercury (atomic mass 201 & atomic number 80) - correct answer b. Lead (atomic mass 206 & atomic number 82) Atomic Mass is: a. the number of protons in the nucleus b. the total number of protons & neutrons in the nucleus c...

NJ Radon Measurement Technician Exam (Practice Questions)What does it mean for a radon decay product to be "plated out"? - correct answer It has attached to a non-breathable object If a radon decay product attaches to a solid object, such as a wall, it... - correct answer ...can no longer be inhaled. What is a half-life? - correct answer The time required for half of the atoms of a radioactive element to decay. Which type of radiation is responsible for the most cellular damage associ...

Biology 213 GMU Test 1 Latest Update Graded A+ Acid A substance that increases the hydrogen ion concentration of a solution. alkaloid chemical produced by plants that contains nitrogen, many of which are used in medicines alpha bonds Chemical bonds linking monosaccharides, which can be broken by human intestinal enzymes, releasing the individual monosaccharides. Starch, maltose, and sucrose contain alpha bonds. amino acid compound with an amino group on one end and a carboxyl g...

radon air MeasurementAARST-NRPP Mitigation Standards ASD Discharge Point Requirements include the following... Above the eave 8' or more above ground 10' or more from any opening less than 1' below the exhaust 20' or more from any opening into adjacent building True False - correct answer False Should be... the folowing • Above the eave • 10' or more above ground • 10' or more from any opening less than 2' below the exhaust • 10' or more from any opening into adjacent...