This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When Mendeleev developed his periodic table, he placed the greatest emphasis on A) the atomic ... (Read 74 times)

azncindy619

  • Hero Member
  • *****
  • Posts: 562
on: Aug 27, 2018
When Mendeleev developed his periodic table, he placed the greatest emphasis on
 
  A) the atomic number of the elements.
  B) putting elements with similar properties in the same column.
  C) leaving no holes or blank spaces in the table.
  D) the melting points of the elements.

Question 2

The number of moles of chlorine atoms in 12.5 g of carbon tetrachloride is ________.
 
  A) 0.081
  B) 0.162
  C) 0.325
  D) 0.648


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

C


azncindy619

  • Hero Member
  • *****
  • Posts: 562
Reply #2 on: Aug 27, 2018
Thank you!


sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Aug 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Blank periodic table Blank periodic table
Height and weight table Height and weight table
Example of the Table of Neoplasms. Example of the Table of Neoplasms.
Example of the Table of Drugs and Chemicals. Example of the Table of Drugs and Chemicals.
Standing at the side of the table facing the head, mobilize the scapula by pressing along medial ... Standing at the side of the table facing the head, mobilize the scapula by pressing along medial ...
table table
Video: Activation Energy - Valence Electrons

For a complete list of videos, visit our video library