CAMPBELL BIOLOGY,AP EDITION
10th Edition
ISBN: 9780133447002
Author: Reece
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 2.4, Problem 1CC
Summary Introduction
To draw: Lewis dot structure depicting the
Concept introduction: In Lewis dot structures, covalent bonds between atoms in a molecule are shown with dots representing valence electrons around element symbols. For example, H ׃ H represents a single covalent bond between two atoms of hydrogen (H) with each having a single valence electron.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
MAKE CONNECTIONS Aquaporins exclude passage ofhydronium ions (H3O+), but some aquaporins allow passage of glycerol, a three-carbon alcohol (see Figure 5.9),as well as H2O. Since H3O+is closer in size to water thanglycerol is, yet cannot pass through, what might be thebasis of this selectivity?
Q27. Imagine that NASA’s Spirit Rover discovers a photosynthetic bacterium on Uranus that contains a single pigment. By using an onboard spectrophotometer, the pigment is found to have the absorption spectrum shown below.
Which of the following conclusions about this pigment can be deduced from the spectrum shown?
The pigment fluoresces green photons.
The pigment is blue in colour.
The pigment has a single excited state.
The pigment reflects high-energy light.
A. 1,2 and 3
B. 1 and 3
C. 2 and 4
D. 4 only
E. All of 1, 2, 3 and 4 are correct.
DRAW IT Draw the electron distribution diagrams for neon (10Ne)and argon (18Ar). Use these diagrams to explain why these elementsare chemically unreactive.
Chapter 2 Solutions
CAMPBELL BIOLOGY,AP EDITION
Ch. 2.1 - MAKE CONNECTIONS Explain how table salt has...Ch. 2.1 - Is a trace element an essential element? Explain.Ch. 2.1 - Prob. 3CCCh. 2.1 - MAKE CONNECTIONS Explain how natural selection...Ch. 2.2 - Prob. 1CCCh. 2.2 - A nitrogen atom has 7 protons, and the most common...Ch. 2.2 - Prob. 3CCCh. 2.2 - Prob. 4CCCh. 2.3 - Why does the structure H C = C H fail to make...Ch. 2.3 - What holds the atoms together in a crystal of...
Ch. 2.3 - What holds the atoms together in a crystal of...Ch. 2.4 - Prob. 1CCCh. 2.4 - Which type of chemical reaction, if any, occurs...Ch. 2.4 - WHAT IF? Write an equation that uses the products...Ch. 2 - Prob. 2.1CRCh. 2 - DRAW IT Draw the electron distribution diagrams...Ch. 2 - In terms of electron sharing between atoms,...Ch. 2 - What would happen to the concentration of products...Ch. 2 - Level 1: Knowledge/Comprehension 1. In the term...Ch. 2 - Compared with 31P, the radioactive isotope 32P has...Ch. 2 - The reactivity of an atom arises from (A) the...Ch. 2 - Which Statement is true of all atoms that are...Ch. 2 - Which of the following statements correctly...Ch. 2 - Prob. 6TYUCh. 2 - The atomic number of sulfur is 16. Sulfur combines...Ch. 2 - What coefficients must be placed in the following...Ch. 2 - DRAW IT Draw Lewis dot structures for each...Ch. 2 - EVOLUTION CONNECTION The percentages of naturally...Ch. 2 - Prob. 11TYUCh. 2 - Prob. 12TYUCh. 2 - Prob. 13TYU
Knowledge Booster
Similar questions
- Test Your Understanding Apply and Analyze 14. Consider the following reaction (in water): HCl H+ + Cl Name the reactant(s) and product(s). Does the expression indicate that the reaction is reversible? Could HCl be used as a buffer?arrow_forwardMAKE CONNECTIONS Compare the structure of afat (see Figure 5.9) with that of a carbohydrate (seeFigure 5.3). What features of their structures makefat a much better fuel?arrow_forwardEVOLUTION CONNECTION • DRAW IT Some scientiststhink that life elsewhere in the universe might be basedon the element silicon, rather than on carbon, as on Earth.Look at the electron distribution diagram for silicon inFigure 2.7 and draw the Lewis dot structure for silicon. Whatproperties does silicon share with carbon that would makesilicon-based life more likely than, say, neon-based life oraluminum-based life?arrow_forward
- Test Your Understanding Know and Comprehend 7. In a redox reaction, (a) energy is transferred from a reducing agent to an oxidizing agent (b) a reducing agent becomes oxidized as it accepts an electron (c) an oxidizing agent accepts a proton (d) a reducing agent donates a proton (e) the electrons in an atom move from its valence shell to a shell closer to its nucleusarrow_forwardExplain what is happening in this photo in terms of kineticenergy and potential energy. Include the energy conversionsthat occur when the penguins eat fish and climb back upon the glacier. Describe the role of ATP and enzymes in theunderlying molecular processes, including what happens tothe free energy of some of the molecules involved.arrow_forwardChemistry Q4 1mL of the stock solution acetaminophen (1mg/mL) is used for the estimation of PC using n-octanol. After extraction, 0.1mL of the extracted solution was added to 0.9mL of water and 100uL of this solution was loaded in 96 well plate to the absorbance at 260nm. If the observed absorbance of the extraction phase is 0.2 using the following standard curve equation, Calculate the concentration of acetaminophen in aqueous Phase. Note: If you need the standard curve equation, please make It up because I want to understand the concept. Please explain in steps like how to approach the problemarrow_forward
- What are some properties of water that result from hydrogen bonding? How do these properties contribute to the role of water as an essential component of organisms?arrow_forwardChemistry CO(g) + 3H2(g) ⇌ CH4(g) + H2O(g) Happens @ 300degrees Celsius The equilibrium concentrations of CO, H2, CH4 and H2O are 12.6 Pa, 7.6 Pa 6.06 Pa and 15.5 Pa respectively. The Kp value is 0.017. a) Determine the value of Kc at 300 °C (Gas constant = 8.315 Pa m3 K-1 mol-1) and calculate the Kp value @ 800 degrees Celsius if the equilibrium concentration of CH4 @ 800 degrees Celsius is 4.6 Pa b) What is the forward reaction exothermic or endothermic? Give a reasonarrow_forward1. DEMONSTRATE BY ILLUSTRATION HOW COUPLED REACTION IS UTILIZED IN THE TRANSFER OF ENERGY FROM THE SUN TO THE RAISING OF YOUR THUMB. 2. DID YOU SEE THE SIGNIFICANCE/CONNECTION OF THE LESSON IN YOUR LIFE? WRITE A BRIEF DESCRIPTIONarrow_forward
- How is the structure of a macromolecule represented in its cryo EM image? Explain the differences between the structure and its image.arrow_forward5. The Cy3 and Cy5 molecules were used in a FRET experiment. (c) Draw an energy diagram for the donor and acceptor molecules showing absorbance and fluorescence transitions in each.arrow_forwardA. Write the products of each of the following reactions and balance the equation. Indicate for cach product whether it is solid (s), liquid (), aqueous (aq) or gas (g). If no reaction occurs, the products are the same as the reactants, write no reaction and proceed to the next reaction. B. Write an ionic equation for each reaction. Break up only compounds with (aq) into ions. Recall that the number of ions in a compound are indicated with a subscript, but the number of ions listed separately in an equation are indicated with a coefficient. C. Cancel out any ions that appear on both sides of the equation and write the net ionic equation for each.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Biology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
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