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

Author Question: Consider the following selected postulates of Dalton's atomic theory: (i) Each element is ... (Read 635 times)

hubes95

  • Hero Member
  • *****
  • Posts: 561
Consider the following selected postulates of Dalton's atomic theory:
 
  (i) Each element is composed of extremely small particles called atoms.
  (ii) Atoms are indivisible.
  (iii) Atoms of a given element are identical.
  (iv) Atoms of different elements are different and have different properties.
  Which of the postulates is(are) no longer considered valid?
  A) (i) and (ii)
  B) (ii) only
  C) (ii) and (iii)
  D) (iii) only
  E) (iii) and (iv)

Question 2

An element cannot ________.
 
  A) be part of a heterogeneous mixture
  B) be part of a homogeneous mixture
  C) be separated into other substances by chemical means
  D) interact with other elements to form compounds
  E) be a pure substance


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sophiapenny

  • Sr. Member
  • ****
  • Posts: 339
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 35% of students answer this correctly




hubes95

  • Member
  • Posts: 561
Reply 2 on: Aug 27, 2018
Wow, this really help


mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

For a complete list of videos, visit our video library