What is the electron configuration for Li, which has 3 electrons?
A) 1s3 B) 1s1 2s2 C) 1s2 1p1 D) 1s2 2s1 E) 1s1 2s1 3s1
D
Physics & Space Science
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In a GUT (Grand Unified Theory), what is "unified"?
A. matter and energy B. subatomic particles C. all of space D. galaxies E. the fundamental forces
Physics & Space Science
Each day, there are ________ high tides on Earth
Fill in the blank(s) with correct word
Physics & Space Science
Heat is thermal energy that matter
A) contains. B) transfers. C) both of these D) none of the above
Physics & Space Science
A telescope has an objective lens with a focal length of 100 cm and an eyepiece of focal length 3.0 cm. What is the angular magnification of the telescope?
a. 30 b. 33 c. 75 d. 140 e. 103
Physics & Space Science