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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Transcribed Image Text:Subatomic Particles ws (2)
Protons, Neutrons, and Electrons Practice Worksheet
Calculating the number of each particle in an atom:
# Protons = Atomic Number
# Electrons = Protons
# Neutrons = Atomic Mass – Atomic Number OR Big # - Small #
8
Охygen
15.999
Use the periodic table to find the numbers of protons, neutrons, and
electrons for atoms of the following elements.
Element
Atomic
Name of Element
Mass Number
Number
Protons Neutrons Electrons
Symbol
Boron
B
11
5
5
6
5
Sodium
24
11
Y
89
39
Сopper
29
35
Te
98
43
Pb
207
Thallium
204
81
H
Carbon
12
N
Ва
56
Calcium
Si
14
Argon
18
Mg
12
12
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