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

Author Question: Helium, He, is a nonmetallic gas and the second element in the periodic table. Rather than being ... (Read 94 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
on: Jul 29, 2018
Helium, He, is a nonmetallic gas and the second element in the periodic table. Rather than being placed adjacent to hydrogen, H, however, helium is placed on the far right of the table because
 
  A) hydrogen and helium repel one another.
  B) the sizes of their atoms are vastly different.
  C) they come from different sources.
  D) helium is most similar to other group 18 elements.

Question 2

Strontium, Sr (number 38), is especially dangerous to humans because it tends to accumulate in calcium-dependent bone marrow tissues (calcium, Ca, number 20).
 
  This fact relates to the organization of the periodic table in that strontium and calcium are both
  A) metals.
  B) in group 2 of the periodic table.
  C) made of relatively large atoms.
  D) soluble in water.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kthug

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


Wadzanai

  • Hero Member
  • *****
  • Posts: 528
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


kthug

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

a) Avoid bending your spine from working with the table too low. b) Avoid hiking your shoulders from ... a) Avoid bending your spine from working with the table too low. b) Avoid hiking your shoulders from ...
Redrape the back, face the head of the table, and apply passive touch as finishing technique. Gently ... Redrape the back, face the head of the table, and apply passive touch as finishing technique. Gently ...
Finish with bilateral stroking to the entire back. Stand at head of the table with fingers pointing ... Finish with bilateral stroking to the entire back. Stand at head of the table with fingers pointing ...
List transformations and Create a table of values for the following log function: List transformations and Create a table of values for the following log function:
Look at Table 4.2.2. Consumers learn that the rubber ducks wear out batteries quickly. As a ... Look at Table 4.2.2. Consumers learn that the rubber ducks wear out batteries quickly. As a ...
table table
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

For a complete list of videos, visit our video library