Textbook Question
Complete the following statements:
a. The atomic number gives the number of _____ in the nucleus.
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Ch.4 Atoms and Elements
Timberlake14thChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249
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Table of contents
- Ch.1 Chemistry in Our Lives19
- Ch.2 Chemistry and Measurements80
- Ch.3 Matter and Energy53
- Ch.4 Atoms and Elements58
- Ch.5 Nuclear Chemistry42
- Ch.6 Ionic and Molecular Compounds57
- Ch.7 Chemical Quantities and Reactions38
- Ch.8 Gases30
- Ch.9 Solutions50
- Ch.10 Acids and Bases and Equilibrium64
- Ch.11 Introduction to Organic Chemistry: Hydrocarbons77
- Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones82
- Ch.13 Carbohydrates54
- Ch.14 Carboxylic Acids, Esters, Amines, and Amides91
- Ch.15 Lipids61
- Ch.16 Amino Acids, Proteins, and Enzymes84
- Ch.17 Nucleic Acids and Protein Synthesis86
- Ch.18 Metabolic Pathways and ATP Production73
Timberlake14thChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249Not the one you use?Change textbook
Chapter 4, Problem 96a
Complete the following statements:
a. The number of protons and neutrons in an atom is also the _____ number.
Verified step by step guidance1
Understand that the number of protons in an atom is referred to as the atomic number, which identifies the element.
Recognize that the number of neutrons can vary in atoms of the same element, leading to isotopes.
Learn that the sum of the protons and neutrons in an atom is called the mass number, which represents the total number of nucleons in the nucleus.
Recall that the mass number is not the same as the atomic mass, which is a weighted average of all isotopes of an element.
Conclude that the blank in the statement should be filled with 'mass' to complete the phrase 'mass number.'
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Atomic Number
The atomic number is the number of protons found in the nucleus of an atom. It uniquely identifies an element and determines its position on the periodic table. For example, hydrogen has an atomic number of 1, meaning it has one proton.
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Calculate Oxidation Numbers
Mass Number
The mass number is the total number of protons and neutrons in an atom's nucleus. It is not the same as atomic number, as it accounts for both types of nucleons. For instance, a carbon atom with 6 protons and 6 neutrons has a mass number of 12.
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01:21Mass Percent Example
Nucleons
Nucleons are the particles found in the nucleus of an atom, specifically protons and neutrons. They are responsible for the atomic mass and stability of the atom. Understanding nucleons is essential for grasping concepts related to atomic structure and nuclear reactions.
Related Practice
Textbook Question
Complete the following statements:
b. In an atom, the number of electrons is equal to the number of _____.
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Textbook Question
Complete the following statements:
c. Sodium and potassium are examples of elements called _____.
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Textbook Question
Complete the following statements:
b. The elements in Group 7A (17) are called the _____.
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Textbook Question
Complete the following statements:
c. Elements that are shiny and conduct heat are called _____.
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Textbook Question
Indicate if each of the following statements is true or false:
c. The atomic mass unit is based on a carbon atom with six protons and six neutrons.
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