The nucleus of an electrically neutral iron atom contains 26 protons. How many electrons does this iron atom have?
A. 26
B. 52
C. 24
D. none
Answer: A
You might also like to view...
Which of the following isotopes can be used by geologists to date rocks?
A) C-14 B) I-131 C) Sr-90 D) U-238
Electrodialysis produces ________ from low-salinity seawater.
A. energy B. table salt (sodium chloride) C. fresh water D. bromine and magnesium E. oxygen and carbon dioxide
________ is defined as physical, social, and economic access to sufficient, safe, and nutritious food to meet dietary needs and food preferences needed for an active and healthy lifestyle
A) Food security B) Ecological eating C) Sustainable agriculture D) World hunger E) The food footprint
____________________ contains high concentrations of dissolved calcium and magnesium ions which can form precipitates on pipes, water heaters, and dishes
Fill in the blank(s) with correct word