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

Author Question: Calcium sulfate is the name of A. CaSO4. B. Ca2SO4. C. Ca(SN)2. D. Ca ... (Read 98 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
on: Aug 27, 2018
Calcium sulfate is the name of
 
  A. CaSO4.
   B. Ca2SO4.
   C. Ca(SN)2.
   D. Ca (SO3)2.

Question 2

Why were noble gases absent from Mendeleev's original periodic table of 1871?
 
  A) The noble gases are unstable.
  B) The noble gases are radioactive.
  C) The noble gases had not been discovered.
  D) The noble gases occur only in compounds.
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lou

  • Sr. Member
  • ****
  • Posts: 286
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

C


dollx

  • Member
  • Posts: 558
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

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?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Calcium consumption is essential for all people Calcium consumption is essential for all people
Calcium Salts and Vitamin D Therapy Calcium Salts and Vitamin D Therapy
Brown Bread contains calcium, phosphorous, potassium, iron, magnesium and sodiu Brown Bread contains calcium, phosphorous, potassium, iron, magnesium and sodiu
Calcium metabolism in osteoporosis Calcium metabolism in osteoporosis
Consider an aqueous solution of calcium nitrate added to an aqueous solution of sodium ... Consider an aqueous solution of calcium nitrate added to an aqueous solution of sodium ...
Normal physiologic mechanisms of the body that restore homeostasis to the balance of serum calcium Normal physiologic mechanisms of the body that restore homeostasis to the balance of serum calcium
Video: Embryonic development - Weeks 5 to 8

For a complete list of videos, visit our video library