BIO 1001 MIDTERM EXAM WITH 100% CORRECT AND VERIFIED ANSWERS

BIO 1001 MIDTERM EXAM 1 NABANITA
BHATTACHARYYA EXAM WITH 100%
CORRECT AND VERIFIED ANSWERS.
1. - ✔✔Potassium has an atomic number of 19. How many electrons
are in the outermost energy level of a neutral potassium atom?


2. 1 - ✔✔Consider elements with the atomic numbers listed below.
Assuming the atoms were neutral, which of them would be least
chemically reactive?
A)1
B)8
C)16
D)4
E)10


3. 10electrons - ✔✔How many electrons does an atom have if all of its
electron orbitals are full in levels K and L?


- ✔✔If a radioactive element weighing one Kg. has a half-life of 100
years, it will weigh _____ grams in 300 years.


4. - ✔✔Which of the pHs listed below represents the strongest base?
A)7
B)10

, C)13
D)15


5. - ✔✔An element having 8 protons, 8 neutrons, and 8 electrons
would weigh _____ daltons.


6. 2 - ✔✔Which of the following pH values represents the greatest
concentration of H+ ions?
A)4
B)10
C)2
D)7
E)12


7. 2 - ✔✔Which of the following pH values represents the strongest
acid?
A)4
B)10
C)2
D)7
E)12


8. 2 and 8, respectively - ✔✔The maximum number of electrons that
can be held in the K and L energy levels are