Biology 1404 Exam Chapter 4-7 Review [211581]2023

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If xenon has an atomic number of 54 and a mass number of 108, how many neutrons does it have? - -54 -Atoms that vary in the number of neutrons found in their nuclei are called - -isotopes -Potas... sium has an atomic number of 19. What is its electron configuration - -shells 1, 2 and 3 are full and shell 4 has one electron -Which type of bond represents a weak chemical bond - -hydrogen bond -Which of the following statements is not true - -Water is the most abundant molecule in the Earth's atmosphere -When acids are added to a solution, the pH should - -decrease -We call a molecule that binds up excess hydrogen ions in a solution a(n) - -base -Which of the following statements is true 1. Acids and bases cannot mix together. 2. Acids and bases will neutralize each other. 3. Acids, but not bases, can change the pH of a solution. 4. Acids donate hydroxide ions (OH-); bases donate hydrogen ions (H+). - -Acids and bases will neutralize each other. -Each carbon molecule can bond with as many as________ other atom(s) or molecule(s) - -four -Which of the following is not a functional [Show More]

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