QUESTION 9 How many protons, neutrons, and electrons are there in potassium ions, K*1 ? (look up mass number and atomic number on periodic table to help) O A. 19 protons, 20 neutrons, 18 electrons O B. 20 protons, 19 neutrons, 19 electrons OC. 19 protons, 39 neutrons, 18 electrons OD. 39 protons, 39 neutrons, 39 electrons
QUESTION 9 How many protons, neutrons, and electrons are there in potassium ions, K*1 ? (look up mass number and atomic number on periodic table to help) O A. 19 protons, 20 neutrons, 18 electrons O B. 20 protons, 19 neutrons, 19 electrons OC. 19 protons, 39 neutrons, 18 electrons OD. 39 protons, 39 neutrons, 39 electrons
Chemistry
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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:QUESTION 9
How many protons, neutrons, and electrons are there in potassium ions, K*1 ?
(look up mass number and atomic number on periodic table to help)
O A. 19 protons, 20 neutrons, 18 electrons
O B. 20 protons, 19 neutrons, 19 electrons
O C. 19 protons, 39 neutrons, 18 electrons
OD. 39 protons, 39 neutrons, 39 electrons
O E 19 protons, 20 neutrons, 20 electrons
Transcribed Image Text:QUESTION 7
C2H4 + 02 =
CO2+H20
When the above equation is balanced using smallest whole numbers, what is the coefficient of the 02?
O A. 5
O B. 2
O C. 3
O D.4
QUESTION 8
As the number of neutrons in the nucleus of a given atom of an element increases, the atomic number of that element
O A. decreases
OB. remains the same
OC. can increase or decrease
OD. increases
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