Author Question: Which element is a halogen? A) Ba B) Li C) Xe D) F ... (Read 37 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
Which element is a halogen?
 
  A) Ba
  B) Li
  C) Xe
  D) F

Question 2

Determine the number of grams of copper present in a 4.0 kg sample of the mineral chalcopyrite (CuFeS2).
 
  What will be an ideal response?



fraziera112

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

D

Answer to Question 2

1400 grams



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

For a complete list of videos, visit our video library