Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 2, Problem 1SQ
What atom has only one proton?
- a. hydrogen
- b. an isotope
- c. helium
- d. a free radical
- e. a radioisotope
- f. oxygen
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
The atomic number gives thea. number of neutrons in the nucleus.b. number of protons in the nucleus.c. weight of the atom.d. number of protons in the valence shell.
What is an alloy?
A. A compound of two metals
B. An element of two metals
C. A mixture of two metals
D. A molecule of two metals
Which is true about carbon atoms?
a.
Each of the orbitals in the second shell has one electron in it.
b.
Only the 2p orbitals have unpaired electrons
c.
Carbon has high electronegativity
d.
Carbon binds hydrogen with polar covalent bonds
Chapter 2 Solutions
Biology: The Unity and Diversity of Life
Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - What atom has only one proton? a. hydrogen b. an...Ch. 2 - A molecule into which a radioisotope has been...Ch. 2 - Prob. 3SQCh. 2 - Prob. 4SQCh. 2 - All ions have at least one ________ (select all...Ch. 2 - Rank the following chemical bonds in order of...
Ch. 2 - The measure of an atoms ability to pull electrons...Ch. 2 - The mutual attraction of opposite charges holds...Ch. 2 - Atoms share electrons unequally in a(n) ________...Ch. 2 - A(n) ________ substance repels water. a. acidic b....Ch. 2 - Prob. 11SQCh. 2 - Prob. 12SQCh. 2 - When dissolved in water, a(n) ________ donates H+;...Ch. 2 - A ________ can help keep the pH of a solution...Ch. 2 - Prob. 15SQCh. 2 - Match the terms with their most suitable...Ch. 2 - Alchemists were medieval scholars and philosophers...Ch. 2 - Draw a shell model of a lithium atom (Li), which...Ch. 2 - Polonium is a rare element with 33 radioisotopes....Ch. 2 - Some undiluted acids are not as corrosive as when...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
Miller and Urey created a reaction chamber that simulated conditions in Earths early atmosphere to test the hypothesis that______. a. lightning-fueled atmospheric reactions could have produced organic compounds b. meteorites contain organic compounds c. organic compounds form at hydrothermal vents d. oxygen prevents formation of organic compounds
arrow_forward
Magnesium has an atomic number of 12. Which of the following statements is true of a neutral magnesium atom? a. It has 12 protons, 12 electrons, and 12 neutrons. b. It has 12 protons, 12 electrons, and six neutrons. c. It has six protons, six electrons, and no neutrons. d. It has six protons, six electrons, and six neutrons.
arrow_forward
Alchemists were the forerunners of modern-day chemists. Many of these medieval scholars and philosophers spent their lives trying to transform lead (atomic number 82) into gold (atomic number 79). Explain why they never succeeded.
arrow_forward
Oxygen (O) is a(n) _______; the oxygen we breathe (O2) is a(n) _______; and the carbon dioxide we exhale is a(n) _______. a. compound; molecule; element b. atom; compound; element c. element; atom; molecule d. atom; element; molecule e. element; molecule; compound
arrow_forward
Which of the following statements is not true? a. Water is polar. b. Water stabilizes temperature. c. Water is essential for life. d. Water is the most abundant atom in Earth’s atmosphere.
arrow_forward
Which statement is false?
A. Elements are found in compounds and molecules
B. compounds are made of elements
C. a molecule must be made of at least two atoms
D. chemical bonds form between molecules of solute and solvent
E. two atoms of oxygen make a molecule of oxygen
arrow_forward
The element phosphorus is needed in organisms to builda. proteins.b. carbohydrates.c. ATP.d. steroids
arrow_forward
Which statement is true of all atoms that are anions?(A) The atom has more electrons than protons.(B) The atom has more protons than electrons.(C) The atom has fewer protons than does a neutral atomof the same element.(D) The atom has more neutrons than protons.
arrow_forward
Which of the following statements is incorrect? a. Isotopes have the same atomic number and different mass numbers. b. Atoms have about the same number of electrons as protons. c. All molecules consist of atoms. d. Free radicals are dangerous because they emit energy
arrow_forward
The nucleus of an atom contains:
a.
neutrons and electrons
b.
protons and electrons
c.
protons only
d.
neutrons and protons
e.
neutrons only
arrow_forward
What atom has only one proton?a. hydrogen d. a free radicalb. an isotope e. a radioisotopec. helium f. oxygen
arrow_forward
Compared with 31P, the radioactive isotope 32P has(A) a different atomic number.(B) one more proton.(C) one more electron.(D) one more neutron.
arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology: The Dynamic Science (MindTap Course List)
Biology
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Biology Today and Tomorrow without Physiology (Mi...
Biology
ISBN:9781305117396
Author:Cecie Starr, Christine Evers, Lisa Starr
Publisher:Cengage Learning
Biology: The Dynamic Science (MindTap Course List)
Biology
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Biology Today and Tomorrow without Physiology (Mi...
Biology
ISBN:9781305117396
Author:Cecie Starr, Christine Evers, Lisa Starr
Publisher:Cengage Learning
Macromolecules | Classes and Functions; Author: 2 Minute Classroom;https://www.youtube.com/watch?v=V5hhrDFo8Vk;License: Standard youtube license