Elements Topic Questions
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We found 141 questions associated with the 'Elements' topic. Displaying results 121 - 130.
Is the metal in houses and society as a whole older than the sun?
Just a thought as metal comes from exploded stars, the heavy elements from those stars contributed to making the earth and then we mined it
Posted 3+ months ago | 1 answers | 
1 star | Open
Related topics: house, earth, metal, star, heavy, thought, element, society, older, elements, sun
Prove that for any element a of a finite ring R,some power a^n (with n>=1)is an idempotent? finite?
In other words: prove that :for all a in R,there exists an n positive integer (n>=1) such that (a^n)2=a^n
Posted 3+ months ago | 1 answers | | Open
Lithium, sodium, and potassium part of elements called?
- noble gases - halogens - alkali metals - alkaline_earth metals.
Posted 3+ months ago | 1 answers | | Open
I want to transfer middle schools.[my daughter]?
My daughter wants to transfer to the school her friends went. She's in 6th grade and the middle school she wants to go to is right next to her ...
Posted 3+ months ago | 2 answers | 1 star | Open
Related topics: school, daughter, friend, right, element, middle, elements, schools, friends, grade, middle school
If Fluorine reacts strongly with a metal, what other elements react strongly with metals?
I have about 7 exams to study for and this is one of the first tests. It would be awesome if you could answer these questions as well. 1.) If Na ...
Posted 3+ months ago | 1 answers | | Open
Related topics: study, metal, first, exam, element, awesome, question, elements, answer, exams
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