The number of protons in an atom that has an atomic number of 20 is 10 protons O 15 protons 20 protons 5 protons why does an atom have no net electric charge The positively charged protons cancel out the negatively charged neutrons The positively charged protons cancel out the negatively charged electrons Its subatomic particles carry no electrical charge The positively charged neutrons cancel out the negatively charged electrons

The number of protons in an atom that has an atomic number of 20 is 10 protons O 15 protons 20 protons 5 protons why does an atom have no net electric charge The positively charged protons cancel out the negatively charged neutrons The positively charged protons cancel out the negatively charged electrons Its subatomic particles carry no electrical charge The positively charged neutrons cancel out the negatively charged electrons

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Find the number of electron and neutrons in the following: 195Pt+2 Electrons Neutrons
true or false An atom is said to be a charged ion when the ratio of protons to neutrons is unequal.
help
Why are atoms electrically neutral? O they have more electrons than protons O they have less electrons than protons they have the same number of electrons as neutrons they have the same number of electrons as protons O they have the same number of neutrons as protons
Isotope Name (wimass number) Atomic Number of Number of Total Electric Number of Number Neutrons Protons Charge Electrons Zinc-66 +2 143 92 94 47 60 19 +3 14 Fluorine-19 11 51 71 121
All of the following statements are true EXCEPT: isotopes of an element have the same atomic number. for any neutral element, the number of protons and electrons are equal. all atoms of a given element have the same mass number. the atomic number equals the number of protons. the mass number is the sum of the number of protons and neutrons.
Fill in the missing information: symbol atom or ion?check all that apply number of protons number of electrons neutral atom cation anion 6 S2− neutral atom cation anion neutral atom cation anion 43 40
Write the isotopic notation for each atom or ion. B) Write the number of protons, electrons, and neutrons for each atom or ion. Carbon-11 Uranium-235 Strontium-88 ion Iodine-131 ion Isotopic Notation Protons Electrons Neutrons
Fill in the table below by providing how many protons, and how many electrons in each atom/ion below. # of protons # of electrons # of neutrons in the most common isotope (just FYI) H 0 H+ 0 C 6 C+ 6 C- 6 O 8 O+ 8 O- 8 N 7 N+ 7 N- 7 S+ 16 P- 16 Cl 18 Br‑ 45
Use this to fill in the following blanks: How many protons are in this atom? How many neutrons are in this atom? How many electrons are in this atom
Complete the table below (omit the subscript and superscript numbers for the Atomic Symbol): Name Atomic Symbol # protons Argon Iodine Cadmium 116 48 Cd Mass # 131 15 #neutrons 20 16 # electrons