« previous next »

Author Question: Give the symbol of the element that has the following electron configuration: Ar 4s13d6 A. Mn ... (Read 203 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?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Scanning electron micrograph of a macrophage engulfing numerous bacteria. Scanning electron micrograph of a macrophage engulfing numerous bacteria.
Electron atomic and molecular orbitals Electron atomic and molecular orbitals
Different gene orders give different double recombinants Different gene orders give different double recombinants
the fibrous configuration of a dry macrofoam sponge swab the fibrous configuration of a dry macrofoam sponge swab
Steric relationship of the stereoisomers of alanine to the absolute configuration of L Steric relationship of the stereoisomers of alanine to the absolute configuration of L
Give the world a reason to remember your name Give the world a reason to remember your name
Video: Mechanism of enzyme action

For a complete list of videos, visit our video library