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
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