Which element is a halogen? A) Ba B) Li C) Xe D) F ...

Author Question: Which element is a halogen? A) Ba B) Li C) Xe D) F ... (Read 15 times)

jman1234

Hero Member
Posts: 560

on: Aug 27, 2018

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

Reply #1 on: Aug 27, 2018

Answer to Question 1

D

Answer to Question 2

1400 grams

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.