This topic contains a solution. Click here to go to the answer

Author Question: The structure of individual atoms can roughly be described as ________. A) positively charged ... (Read 36 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

macagnavarro

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

A

Answer to Question 2

A




sabina

  • Member
  • Posts: 563
Reply 2 on: Aug 27, 2018
Excellent


tranoy

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

For a complete list of videos, visit our video library