How many electrons, protons, and neutrons are there in an atom ofa40Ca? 15 protons, 25 neutrons, 15 electrons 20 protons, 20 neutrons, 20 electrons 6 protons, 34 neutrons, 6 electrons 30 protons, 30 neutrons, 30 electrons

How many electrons, protons, and neutrons are there in an atom ofa40Ca? 15 protons, 25 neutrons, 15 electrons 20 protons, 20 neutrons, 20 electrons 6 protons, 34 neutrons, 6 electrons 30 protons, 30 neutrons, 30 electrons

General, Organic, and Biological Chemistry

7th Edition

ISBN:9781285853918

Author:H. Stephen Stoker

Publisher:H. Stephen Stoker

Chapter3: Atomic Structures And The Periodic Table

Section: Chapter Questions

Problem 3.11EP

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Concept explainers

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.

Question

How many electrons, protons, and neutrons are there in an atom ofa40Ca?

15 protons, 25 neutrons, 15 electrons
20 protons, 20 neutrons, 20 electrons
6 protons, 34 neutrons, 6 electrons
30 protons, 30 neutrons, 30 electrons

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