Fundamentals of Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134396026
Author: Frederic H. Martini, Judi L. Nath, Edwin F. Bartholomew
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 2, Problem 30RQ
An atom of the element calcium has 20 protons and 20 neutrons. Determine the following information about calcium (a) number of electrons, (b) atomic number, (c) atomic weight, (d) number of electrons in each energy level.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
The empirical formula of the sugar glucose is C6H12O6. (a) How many moles are there in 270 g of glucose? (b) Calculate the molarity of a solution of 324 g of glucose dissolved in 2.0 l of water.
Apply the formula for the differences in electronegativities, for the following molecules, and define whether they are polar covalent, nonpolar covalent or ionic. Taking into account that: Non-polar covalent: greater than or equal to 0 but less than 0.7 Polar covalent: greater than or equal to 0.7 but less than 1.7 ionic: greater than 1.7
A)NO
B)KCI
C)F2
C)AsO
a) Identify the following as element (atomic or molecular), compound or mixture.
b) Explain your reasoning and draw a sample of these substances containing 5 particles of
that particular material.
c) What would be the mass of 5 particles of that particular material? Show your work!
H20
N2
C2HSOH
Iodine gas
Chapter 2 Solutions
Fundamentals of Anatomy & Physiology (11th Edition)
Ch. 2 - Define atom.Ch. 2 - Atoms of the same element that have different...Ch. 2 - How is it possible for two samples of hydrogen to...Ch. 2 - Prob. 4CPCh. 2 - Prob. 5CPCh. 2 - Both oxygen and neon are gases at room temperature...Ch. 2 - Prob. 7CPCh. 2 - Prob. 8CPCh. 2 - Prob. 9CPCh. 2 - Prob. 10CP
Ch. 2 - What is an enzyme?Ch. 2 - Prob. 12CPCh. 2 - Prob. 13CPCh. 2 - Explain how the chemical properties of water make...Ch. 2 - Define pH, and explain how the pH scale relates to...Ch. 2 - What is the significance of pH in physiological...Ch. 2 - Define the following terms: acid, base, and salt.Ch. 2 - Prob. 18CPCh. 2 - Prob. 19CPCh. 2 - Which functional group acts as an acid?Ch. 2 - Prob. 21CPCh. 2 - Describe lipids.Ch. 2 - Prob. 23CPCh. 2 - Prob. 24CPCh. 2 - Prob. 25CPCh. 2 - Describe a nucleic acid.Ch. 2 - Prob. 27CPCh. 2 - Describe ATP.Ch. 2 - What molecule is produced by the phosphorylation...Ch. 2 - An oxygen atom has eight protons (a) Sketch in the...Ch. 2 - What is the following type of decomposition...Ch. 2 - The subatomic particle with the least mass (a)...Ch. 2 - Isotopes of an element differ from each other in...Ch. 2 - The number and arrangement of electrons in an...Ch. 2 - All organic compounds in the human body contain...Ch. 2 - A substance containing atoms of different elements...Ch. 2 - All the chemical reactions that occur in the human...Ch. 2 - Which of the following chemical equations...Ch. 2 - Prob. 10RQCh. 2 - A pH of 7.8 in the human body typifies a condition...Ch. 2 - A(n) _____ is a solute that dissociates to release...Ch. 2 - Special catalytic molecules called _____ speed up...Ch. 2 - Which of the following is not a function of a...Ch. 2 - Complementary base pairing in DNA includes the...Ch. 2 - What are the three subatomic panicles in atoms?Ch. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - List seven major functions performed by proteins.Ch. 2 - (a) What three basic components make up a...Ch. 2 - What three components are required to create the...Ch. 2 - If a polypeptide contains 10 peptide bonds, how...Ch. 2 - Prob. 23RQCh. 2 - Prob. 24RQCh. 2 - What is a salt? How does a salt differ from an...Ch. 2 - Prob. 26RQCh. 2 - In an exergonic reaction, (a) large molecules are...Ch. 2 - Prob. 28RQCh. 2 - Prob. 29RQCh. 2 - An atom of the element calcium has 20 protons and...Ch. 2 - A certain reaction pathway consists of four steps....Ch. 2 - Prob. 32RQCh. 2 - Prob. 1CCCh. 2 - Prob. 2CC
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
- Chromium metal has a body-centered cubic (BCC) crystal structure with a lattice constant a = 2.88 Å. Knowing this, answer the following questions. (a) Calculate the radius of the chromium atom. (b) Calculate the planar density (in atoms/nm²) of the (110) plane.arrow_forwardSolid iron(II) fluoride (FeF2, Ksp= 2.36 x 10-6) is dissolved in water. If 8.1 x 10-3 mol L-1 of iron(II) ion is found to be in solution. Is the solution saturated, unsaturated, desaturated or supersaturated.arrow_forwardOxygen has 8 protons, 8 neutrons, and 8 electrons. What is its atomic mass?(a) 8 (b) 16 (c) 24 (d) 32.arrow_forward
- Ferrous sulfate is one dietary supplement used to treat iron-deficiency anemia. What are the molecular formula and molecular mass of this compound? howmany milligrams of iron are in 250 mg of ferrous sulfate?arrow_forwardWhich 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_forwardThe concentration of cholesterol (C27H46O) in blood is approximately 5.0 mM. How many grams of cholesterol are in 250 mL of blood?arrow_forward
- How many protons, electrons, and neutrons are present in the following ? Magnesium cation (Mg2+), Chloride anion (Cl-), Carbon -14(14C), and Tritium (3H)?arrow_forwardAccording to chemist John Dalton, if one mole of nitrogen is combined with three moles of hydrogen to form one mole of ammonia (knowing that nitrogen, with an atomic number of 7, has an atomic mass of 14, and hydrogen, with an atomic number of 1, has an atomic mass of 1), then this compound will have an atomic weight (or molecular mass) of: 14 grams per mole (14 daltons) 17 grams per mole (17 daltons) 20 grams per mole (20 daltons) 22 grams per mole (22 daltons) 43 grams per mole (43 daltons)arrow_forwardIodine has 37 known isotopes. Therefore, the atomic mass has a range of 108-144 amu. Which of the following statements concerning iodine is correct? A) The isotopes of iodine have between 55 and 91 protons. B) An atom of iodine can have between 55 and 91 neutrons. C) The isotopes of iodine will always have the same number of neutrons, but the protons can vary. D) The isotopes of iodine have between 108 and 144 neutrons, but the number of protons will not vary.arrow_forward
- Define the following terms:(a) Chiral (b) Achiral(c) Chiral carbon (d) Enantiomerarrow_forwardBenzene is a carbohydrate ubiquitous to organic chemistry. Its structure was proposed near the end of the 1800s by the, German chemist Kekul'e after he supposedly dreamt of a snake devouring its own tail. Knowing that benzene has a percent composition of 92.24% carbon and 7.76% hydrogen by mass and a molar mass of 78.11 g/mol, determine the compound's molecular formulas. Please provide your answer as the value of n.arrow_forwardLook up the valence electron configuration, covalent atomic radius, effective nuclear charge, first ionization energy and Pauling electronegativity in Chapter 8 (tables are attached). Examine the above data and answer the following questions. a) Explain why some of the elements like TI and Pb on the lower left of the p block are metallic. b) Explain why some of the elements like C, Si in the center of the p block form covalent bonds. Explain why these bonds formed by the network of these elements (as studied in Chapter 25) tend to be unreactive. c) Explain why the noble Group 8A elements are highly unreactive gases. d) Explain why some elements like F, CI, Br etc, on the upper right of the p block are highly reactive nonmetals.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles Of Radiographic Imaging: An Art And A ...Health & NutritionISBN:9781337711067Author:Richard R. Carlton, Arlene M. Adler, Vesna BalacPublisher:Cengage Learning
Principles Of Radiographic Imaging: An Art And A ...
Health & Nutrition
ISBN:9781337711067
Author:Richard R. Carlton, Arlene M. Adler, Vesna Balac
Publisher:Cengage Learning
GCSE Chemistry - Acids and Bases #34; Author: Cognito;https://www.youtube.com/watch?v=vt8fB3MFzLk;License: Standard youtube license