The oldest known elements in the periodic table are the ones with
A. odd looking atomic symbols.
B. the lowest atomic numbers.
C. the highest atomic numbers.
D. atomic symbols that match their modern names.
Answer: A
You might also like to view...
What are disappearing streams? What will be an ideal response?
Which of the following is not a type of opening along which weathering agents attack bedrock?
A) Joints B) Faults C) Lava vesicles D) Solution cavities E) Batholiths
Explain the general types of volcanoes that occur on Earth
What will be an ideal response?
Judge the following sentence according to the criteria given below: In freshwater lakes, cooling or
warming to 0.4?C is an important tipping point BECAUSE 0.4?C is the actual temperature when lake water freezes. a. The assertion and the reason are both correct, and the reason is valid. b. The assertion and the reason are both correct, but the reason is invalid. c. The assertion is correct, but the reason is incorrect. d. The assertion is incorrect, but the reason is correct. e. Both the assertion and the reason are incorrect