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Concept explainers
Interpretation:
Why the atom is neutral as a whole has to be chosen from the given options.
Concept Introduction:
Atoms are made up of even smaller particles. These particles are very small and these are all the building blocks of atoms and they are known as subatomic particles. Protons, electrons, and neutrons are the subatomic particles that are found in atom. Electrons possess a negative electrical charge. Protons possess a positive electrical charge. Neutrons possess no charge and they are neutral.
If the mass is considered to one unit based on one electron, then the relative mass of a proton is equal to 1837 electrons and neutron is equal to 1839 electrons. Neutron is slightly higher in mass than that of a proton.
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Chapter 3 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- The smallest particle of an element that still has the chemical characteristics of that element is a(n)a. electron. c. neutron. e. atom.b. molecule. d. proton.arrow_forwardDefine the following terms: a. phospholipids b. soap c. surface active agent d. phosphoglyceride e. sphingomyelinarrow_forwardWhich of the following statements are correct? Explain your answers.A. An atomic nucleus contains protons and neutrons.B. An atom has more electrons than protons.C. The nucleus is surrounded by a double membrane.D. All atoms of the same element have the same number of neutrons.E. The number of neutrons determines whether the nucleus of an atom is stable or radioactive.F. Both fatty acids and polysaccharides can be important energy stores in the cell.G. Hydrogen bonds are weak and can be broken by thermal energy, yet they contribute significantly to the specificity of interactions between macromolecules.arrow_forward
- Which of the following statements are correct? Explain your answers. A. An atomic nucleus contains protons and neutrons. B. An atom has more electrons than protons. C. The nucleus is surrounded by a double membrane. D. All atoms of the same element have the same number of neutrons. E. The number of neutrons determines whether the nucleus of an atom is stable or radioactive. F. Both fatty acids and polysaccharides can be important energy stores in the cell. G. Hydrogen bonds are weak and can be broken by thermal energy, yet they contribute significantly to the specificity of interactions between macromolecules.arrow_forwardWhich of the following statements is true? a. Acids and bases cannot mix together. b. Acids and bases will neutralize each other. c. Acids, but not bases, can change the pH of a solution. d. Acids donate hydroxide ions (OH–); bases donate hydrogen ions (H+).arrow_forwardA substance that has weight and occupies space is calleda. kinetic energy.b. a catalyst.c. matter.d. potential energy.arrow_forward
- This occurs when the cations and anions are attracted to the positive and negative ends of water molecules: A. ionic bonding B. dissociation C. covalent bonding D. hydrogen bondingarrow_forwardOne of the results of a fat being saturated is that the molecules interact stronger. This means that saturated fats are usually solid at room temperature while unsaturated fats are typically liquids. The interactions between triglycerides falls under which of the following types. Select one: a. Covalent Bonds b. van der Walls bonds c. Hydrogen Bonds d. Ionic Bondsarrow_forwardDefine the following terms: a. dipole b. hydrogen bond c. electrostatic interaction d. covalent bond e. hydrationarrow_forward
- 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.arrow_forwardA carbon atom contains six protons and six neutrons.A. What are its atomic number and atomic weight?B. How many electrons does it have?C. How many additional electrons must it add to fill its outermost shell? How does this affect carbon’s chemical behavior?D. Carbon with an atomic weight of 14 is radioactive. How does it differ in structure from nonradioactive carbon? How does this difference affect its chemical behavior?arrow_forwardTwo students plan and carry out an investigation to determine if ionic or covalent bonds have stronger intermolecular forces. They collect the following data. C6H1206 NaCI color white white texture,grain size rough, small pieces rough, very small grains solubility in water soluble (able to dissolve) soluble (able to dissolve) melting point melts easily does not melt a. Identify the type of intramolecular bonds that are involved. b. Which substance will have the stronger intermolecular forces? c. Which properties allow you to predict the strength of the intermolecular forces? Format B I U ... >arrow_forward
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
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