Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question

Transcribed Image Text:O 3
O 6
O 12
O 36
QUESTION 3
If the atomic number of an element is 12 and its atomic mass is 25; you could conclude that this element has:
O 12 neutrons; 13 protons and 13 electrons
O 13 neutrons; 12 protons and 12 electrons
O 12 neutrons; 13 protons and 12 electrons
O 13 neutrons; 12 protons and 13 electrons
QUESTION 4
An atom of.
O 12 protons; 11 neutrons and 23 electrons
O 11 protons; 12 neutrons and 23 electrons
O 11 protons: 12 neutrons and 11 electrons
O none of the above
element with an atomic number of 11 and an atomic mass of 23 would have:
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Expert Solution

Step 1
Answer If the atomic number of element (Z) is 12
Atomic mass(A) =25
No. of protons= No of electrons=atomic number
So number of proton=12
number of electrons=12
atomic mass=No. of proton+no of neutron
so number of neutron=13
so correct answer is B
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