EP CAMPBELL BIO.FOCUS-MOD.MASTER.(18WK)
3rd Edition
ISBN: 9780136781851
Author: Urry
Publisher: PEARSON CO
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 2, Problem 6TYU
Summary Introduction
Introduction:
Sulphur is a non-metal that belongs to p-block elements. Its atomic number is 16 and abbreviated as S. The valency of this element is 2 and its electronic configuration can be written as
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
The atomic number of sulfur is 16, Sulfur combines with hydrogen by covalent bonding to form a compound, hydrogen sulfide. Based on the number of valence electrons in a sulfur atom, predict the molecular formula of the compound.
a. HS
b. HS2
c.H2S
d. H3S2
Water molecules have one oxygen atom that is more electronegative than the two hydrogen atoms bound to it. As a result, which type of bonding hold water molecules together
a. non-popular covalent bonding
b. polar covalent bonding
c.ionic bonding
d.hydriohocic
A base
a. has a value below 7 on the pH scale.
b. is a chemical that adds hydrogen ions to a solution.
c. has a value of 7 on the pH scale.
d. is a chemical that absorbs hydrogen ions from a solution.
Chapter 2 Solutions
EP CAMPBELL BIO.FOCUS-MOD.MASTER.(18WK)
Ch. 2.1 - Is a trace element an essenteal element? Explain.Ch. 2.1 - Prob. 2CCCh. 2.2 - A nitrogen atom has 7 protons and the most common...Ch. 2.2 - Prob. 2CCCh. 2.2 - Prob. 3CCCh. 2.3 - Why does the structure HCCH fail to make sense...Ch. 2.3 - What holds the atoms together in a crystal of...Ch. 2.3 - If you were a phamaceutical researcher, why would...Ch. 2.4 - Which type of chemical reaction occurs faster at...Ch. 2.4 - Write an equation that uses the products of...
Ch. 2.5 - Prob. 1CCCh. 2.5 - How can the freezing of water crack boulders?Ch. 2.5 - Compared with a basic solution at pH 9, the same...Ch. 2.5 - What would be the effect on the properties of the...Ch. 2.5 - Prob. 5CCCh. 2 - The reactivity of an atom arises from A. the...Ch. 2 - Which of the following statements correctly...Ch. 2 - Many mammals control their body temperature by...Ch. 2 - We can be sure that a mole of table sugar and a...Ch. 2 - Measurements show that the pH of a particular lake...Ch. 2 - Prob. 6TYUCh. 2 - What coefficients must be placed in the following...Ch. 2 - A Slice of pizza has 500 kcal. If we could burn...Ch. 2 - Draw the hydration shells that from around a...Ch. 2 - What do climate change (see Concept 1.1) and ocean...Ch. 2 - SCIENTIFIC INQUIRY Female luna moths (Actias luna)...Ch. 2 - FOCUS ON EVOLUTION The percentage of naturally...Ch. 2 - FOCUS ON ORGANIZATION Several emergent properties...Ch. 2 - SYNTHESIZE YOUR KNOWLEDGE How do cats drink?...
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
- Based on the Henderson-Hasselbalch equation (shown below), calculate the pH when half of a solution of acetic acid is dissociated to acetate (the pKa of acetic acid is 4.76). A. 1.00 B. 3.76 C. 4.76 D. 5.76arrow_forwardCompound X has the above properties. Compound X is a. C2H5OH b. C2H5Cl c. C2H5COOCH3 d. C2H6arrow_forwardMatch the terms with their descriptionsarrow_forward
- Fluorine has an atomic number of 9. Which of the following is true of fluorine? O A. It will lose an electron to become a cation. B. It will gain an electron to become an anion. O C. It will form two covalent bonds to fill its outer shell. O D. It will form three covalent bonds to fill its outer shell. d. MacBooarrow_forwardMatch the concept in column A to the concept in column B. Write the letter of the correct answer on the blank provided. A В a. they dissolve in water but do not release ions 1.Aristotle 2.Robert Hooke b. react with water to produce ions. c. act as an enzymes. 3. Antonie van Leeuwenhoek d. parts of 2 different kinds of molecules trade 4.nonelectrolytes positions with one another e. organic substances that control cellular 5.monosaccharides activities in a very special way. f. responsible for about two-thirds of the weight of an adult human g. classified animals based on the presence of blood. h. molecular formula i. Initially discovered the cell. 6.proteins 7.isotopes 8.exchange reaction 9.nucleic acids j. galactose k. sucrose 10.water I. atoms with the same atomic number but different atomic weights.arrow_forwardChoose the best answer for following question. An atom that has two electrons in the valence shell, such asmagnesium, would most likelya. share to acquire a completed outer shell.b. lose these two electrons and become a negatively charged ion.c. lose these two electrons and become a positively charged ion.d. bind with carbon by way of hydrogen bonds.e. bind with another magnesium atom to satisfy its energy needs.arrow_forward
- The type of bonding that happens between atoms within a water molecule is which of the following? a. Polar covalent bonding b.ionic bonding c. Non polar covalent bonding d. Hydrogen bondingarrow_forwardThe solubility of KI is 50 g / 100 g of water at 20 °C. If 110 g of Kl are added to 200 g water A. All of the Kl will dissolve B. The solution will freeze C. the container of the solution will feel warm to the touch D. a saturated solution will form E. an unsaturated solution will formarrow_forwardPlease answer question 4aarrow_forward
- Substances those are partially dissolved in water are commonly known as اخترأحد الخيارات a. hydrophilic / hydrophobic b. false statement c. hydrophilic d. hydrophobic e. all given choices are incorrectarrow_forwardWhat happens in a dehydration reaction Select one: a. Double bond is converted to single bond b. Ionic bonds are formed c. Monomers are bonded together and a water molecule is released d. Molecules are broken apart Clear my choicearrow_forwardhow many hydrogen can be formed from the question abovearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College