Multiple Choice
Which of the following periods does not contain any essential elements?
A) First
B) Second
C) Fourth
D) Fifth
E) Sixth
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q82: Write a note on accuracy and precision.
Q83: Which of the following elements belong to
Q84: Which of the following group of elements
Q85: _ provide essential ions in body fluids
Q86: The volume of a particular substance is
Q88: Atomic number of an element is defined
Q89: A gas contains carbon and hydrogen in
Q90: Potassium, nickel and neon are all members
Q91: _ are systematic observations or measurements, preferably
Q92: Elements in the periodic table are stacked