1. Biology Visual PPT Quiz 4 Chemistry of Life

2. Q1: A beryllium atom has 4 protons, 5 neutrons, and 4 electrons. What is the mass number of this atom?berylliummass number A. 4 b. 5 c. 8 d. 9 e. 13

3. Q2: The atomic number of an element is equal to: A. the number of protons plus the number of electrons B. the number of neutrons in the atom C. the number of protons in the atom D. the number of protons plus the number of neutrons E. the number of neutrons minus protons

4. Q3: If lithium has an atomic number of 3 and a mass number of 7, the correct number of protons, neutrons, and electrons, respectively, is: A. 3,4,3 B. 4,3,3 C. 3,3,4 D. 4,4,3 E. 3,4,4

5. Q4: If Magnesium has an atomic number of 12 and a mass number of 24, the correct number of protons, neutrons, and electrons, respectively, is: A. 8,10,12 B. 12,12,12 C. 12,24,12 D. 24,12,12 E. 26,12,12

6. Q5: If Bromine has an atomic number of 35 and has 45 neutrons, what is its mass number? A. 35 B. 45 C. 10 D. 80 E. 85

7. Q6: If Potassium has 19 protons, 19 electrons, and 20 neutrons, what is its atomic mass? A. 1 B. 58 C. 39 D. 29 E. 38

8. Q7: If Zinc has an atomic number of 30 and a mass number of 65, the correct number of protons, neutrons, and electrons, respectively, is: A. 30,35,35 B. 30,35,30 C. 35,30,35 D. 95,65,30 E. This time, none of them are right.

9. Q8:Which two particles would be attracted to each other? a. electrons and neutrons b. electrons and protons c. protons and neutrons d. all particles are attracted to each other e. none of them are attracted to each other

10. Q9: The atomic number of an atom is: e. the number of electrons b. how the periodic table is arranged c. the number of protons d. the number of protons plus the number of neutrons e. both b and c are both correct answers

11. Q10: Changing the number of neutrons of an atom changes its: a. isotope b. element c. ion d. charge e. it doesn’t change anything

12. Bonus(?pts): To change Li to Li+, you need to: a. add one electron b. remove one proton c. remove one electron d. add one neutron e. there’s nothing that will happen