« previous next »

Author Question: Give the symbol of the element that has the following electron configuration: Ar 4s13d6 A. Mn ... (Read 122 times)

londonang

  • Hero Member
  • *****
  • Posts: 540
on: Aug 27, 2018
Give the symbol of the element that has the following electron configuration: Ar 4s13d6
 
  A. Mn
   B. Fe
   C. Ni
   D. Cu

Question 2

Which of the following statements is a natural law?
 
  A) The mass of substances, before and after a chemical change, is the same.
  B) If the volume of a gas doubles, the pressure decreases by a factor of two.
  C) The energy derived from a change in mass is found by E = mc2.
  D) all of the above
  E) none of the above


akemokai

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

londonang

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


akemokai

  • Sr. Member
  • ****
  • Posts: 347
Reply #3 on: Aug 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

The relationship between free energy and electron movement along the electron transport chain The relationship between free energy and electron movement along the electron transport chain
This solitary tree is an appropriate symbol for the tree of life This solitary tree is an appropriate symbol for the tree of life
Insects Under the Electron Microscope Insects Under the Electron Microscope
Chevrolet symbol Chevrolet symbol
Some drug labels show the USP symbol; others do not. Some drug labels show the USP symbol; others do not.
The five skills of the element Collection of Information The five skills of the element Collection of Information
Video: Introduction to Insulin

For a complete list of videos, visit our video library