An atom consists of
A. negatively charged protons in a nucleus orbited by positively charged electrons.
B. positively charged protons in a nucleus orbited by negatively charged neutrons.
C. electrons in a nucleus orbited by protons.
D. None of these choices are correct.
Answer: D
You might also like to view...
Water is flowing through a pipe whose cross-sectional area at point A is larger than the cross-sectional area at point B. The reading on a pressure gauge connected to the pipe at point A will be lower than the reading on a pressure gauge connected to the pipe at point B
a. True b. False Indicate whether the statement is true or false
What is the total mass of the Earth's atmosphere? The radius of the Earth is 6.4 × 10^6 m, and 1 atm = 1.01 × 10^5 N/m2
a. 5.3 × 10^16 kg b. 1.1 × 10^18 kg c. 5.3 × 10^18 kg d. 1.1 × 10^20 kg e. 5.3 × 10^9 kg
An object is being acted upon by three forces and moves with a constant velocity. One force is 60.0 N along the x-axis, the second is 75.0 N along a direction making a counterclockwise angle of 150.0° with the x-axis
What is the magnitude of the third force? A) 37.8 N B) 62.4 N C) 67.5 N D) 130 N E) 135 N
About what percentage of Hubble Deep Field (HDF) galaxies do astronomers find are irregular?
A: 5%. B: 25%. C: 50%. D: 70%. E: 90%.