The structure of individual atoms can roughly be described as ...

[sabina]

The structure of individual atoms can roughly be described as ________.
 
  A) positively charged center and mostly empty space
  B) an even mixture of mass and charge scattered throughout a spherical shape
  C) positively charged, low-mass pieces in orbit around a massive, negatively charged center
  D) positively charged pieces in orbit around a low-mass, negatively charged center

Question 2

The probe tip of a scanning probe microscope ________.
 
  A) floats above the atoms of a sample
  B) etches into the atoms of a sample
  C) chemically changes the atoms of a sample
  D) injects a magnetic field into the atoms of a sample

[macagnavarro]

Answer to Question 1

A

Answer to Question 2

A

[sabina]

Gracias!

[phuda]

TYSM