An uncharged atom of boron has an atomic number of 5 and an atomic mass of 11. How many electrons does boron have?
A) 11
B) 15
C) 5
D) 2
Answer: C
You might also like to view...
Answer the question using the accompanying figure. Which graph represents the age span of worker bees primarily
involved in packing pollen?
a. A b. B c. C d. D e. E
The first peptide hormone discovered in plants was ____, which functions in wound response in the
tomato.
a. cytokinin b. systemin c. gibberellin d. jasmonate e. salicylic acid
Viruses have typical cellular structure like other living organisms.
Answer the following statement true (T) or false (F)
Which statement is NOT true about a protocell?
A. It would have contained DNA as its genetic material. B. It might have been like a coacervate droplet in which a semipermeable boundary allows some materials to be absorbed from the surrounding environment. C. It would have had a lipid and protein membrane forming the outer layer. D. It would have been present before the development of a true cell. E. It would have contained a biochemical pathway for energy metabolism.