ausernamewithwo ausernamewithwo
  • 22-02-2018
  • Chemistry
contestada

Which of these elements is an alkaline earth metals?

a. hafnium (Hf)

b. radon (Rn)

c. silicon (Si)

d. sulfur (S)

Respuesta :

egipson
egipson egipson
  • 22-02-2018
None of these are Alkali Earth metals. Alkali earth metals consist of Beryllium [Be] Magnesium [Mg] Calcium [Ca] Strontium [Sr] Barium [Ba] Radium [Ra]
Answer Link

Otras preguntas

Please help. What mass of copper is required to replace silver from 4.00g of silver nitrate dissolved in water? I found the molar mass of all of them but don't
Specified variable a = 3b - c, for b
How do u solve n-5 over 2=5
how do u identify monomial ;binomial and trinomials. in a problem
how do you write 15,409 in expand form and in word form
What is the ratio 3:4 of 21?
Please help me anyone ?????
What action caused the greatest human loss for Napoleon’s army?
count by tens and ones to find the sum of 45+26
Discuss several characteristics of wartime propaganda in the United States during the second World War.