An atom can be changed into an ion by adding or removing ___. An atom can be changed into a different isotope by adding or removing ____.
To determine:
The addition or removal of which sub-atomic particle can change an atom into an ion and an atom into a different isotope.
Introduction:
The atom is the smallest unit of biological organization. However, there are particles even smaller than an atom and such particles together make up the atom. These sub-atomic particles include protons, neutrons, and electrons. In the center of an atom, the nucleus is present. The nucleus is composed of protons (positively charged particles) and neutrons (neutral particles). Electrons (negatively charged particles) revolve around the nucleus in designated orbitals.
Answer to Problem 1SQ
Correct answer:
An atom can be changed into an ion by adding or removing electrons. An atom can be changed into a different isotope by adding or removing neutrons.
Explanation of Solution
An ion is a charged particle formed by the atoms to attain stability. Atoms can either form a positively charged ion called a cation or a negatively charged ion called an anion. Ions are formed by the change in the number of electrons. If electrons are lost, the positive charge on the atom increases. Thereby, an atom changes into a cation. If electrons are gained by the atom, the atom becomes negatively charged. Thereby, an atom changes into an anion. For example, the sodium (
Isotopes are variants of the same element but with different masses. The mass of an atom is contributed by the masses of protons and neutrons in the nucleus. If the number of protons is changed, the element will change. The change in the number of neutrons in the nucleus of an atom leads to the formation of an isotope. For example, the isotopes of hydrogen (zero neutrons) include protium (zero neutrons), deuterium (one neutron), and tritium (two neutrons).
The change in the number of electrons and neutrons leads to the formation of an ion and an isotope, respectively.
Want to see more full solutions like this?
Chapter 2 Solutions
Campbell Essential Biology (7th Edition)
Additional Science Textbook Solutions
Chemistry: Atoms First
Biology: Life on Earth with Physiology (11th Edition)
Laboratory Manual For Human Anatomy & Physiology
Chemistry: Structure and Properties (2nd Edition)
EBK INTRODUCTION TO CHEMISTRY
- How is a protein destined for the Endoplasmic Reticulum (ER), imported into the ER? Be concise.arrow_forwardFind out about the organisations and the movements aimed at the conservation of our natural resources. Eg Chipko movement and Greenpeace. Make a project report on such an organisation.arrow_forwardWhat are biofertilizers and mention the significancearrow_forward
- PCBs and River Otters: Otters in Washington State’s Green-Duwamish River have high levels of polychlorinated biphenyls (PCBs) in their livers. PCBs can bind to the estrogen receptors in animals and disrupt the endocrine system of these otters. The PCBs seem to increase the estrogen to androgen ratio, skewing the ratio toward too much estrogen. How would increased estrogen affect the river otter population? Based on your reading of the materials in this unit, what factors can affect fertility in humans? Explain how each of the factors affecting human fertility that you described can disrupt the human endocrine system to affect reproduction.arrow_forwardOther than oil and alcohol, are there other liquids you could compare to water (that are liquid at room temperature)? How is water unique compared to these other liquids? What follow-up experiment would you like to do, and how would you relate it to your life?arrow_forwardSelection of Traits What adaptations do scavengers have for locating and feeding on prey? What adaptations do predators have for capturing and consuming prey?arrow_forward
- Competition Between Species What natural processes limit populations from growing too large? What are some resources organisms can compete over in their natural habitat?arrow_forwardSpecies Interactions Explain how predators, prey and scavengers interact. Explain whether predators and scavengers are necessary or beneficial for an ecosystem.arrow_forwardmagine that you are conducting research on fruit type and seed dispersal. You submitted a paper to a peer-reviewed journal that addresses the factors that impact fruit type and seed dispersal mechanisms in plants of Central America. The editor of the journal communicates that your paper may be published if you make ‘minor revisions’ to the document. Describe two characteristics that you would expect in seeds that are dispersed by the wind. Contrast this with what you would expect for seeds that are gathered, buried or eaten by animals, and explain why they are different. (Editor’s note: Providing this information in your discussion will help readers to consider the significance of the research).arrow_forward
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax CollegeBiology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
- Biology Today and Tomorrow without Physiology (Mi...BiologyISBN:9781305117396Author:Cecie Starr, Christine Evers, Lisa StarrPublisher:Cengage LearningBiology: The Unity and Diversity of Life (MindTap...BiologyISBN:9781337408332Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa StarrPublisher:Cengage Learning