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Science questions and answers - page 4
Valency of a metal
Is valency of a metal the no. Of electrons in the outer shell of an element???Big Bang
What caused the big bang? How did it come out of nothing? And if there was somthing that triggered it, how did substances get there in the first p...Evolution
Then why doesnt it happen now??? Why dont humans have gills??? Or trees have feathers??? You think that we came from a rock?? Why dont we have half...Bonds-covalent,ionic,giant covalent, giant atomic, giant metallic..
..lattice, giant covalent bonds, I have a great issue in those, I actually dont know how to tell if a compound or an element is which bond, please ...Hard physics problem see if you can solve :d
A sphere with a radius of 15 cm rolls in a level surface with a constant angular speed of 10rad/s. To what height on a 30 degree inclined plane wil...Words with same meanings related to biotechnology
Words of same meaning relating to biotechnologyIf a 0.15 kg mass is suspended 75 cm from the pivoted end
If a 0.15 kg mass is suspended 75 cm from the pivoted end, what is the tension in the string?energy transformations
does anyone know about energy transformations I need to now about the energy transformations of a circuit board, a speaker I know theres electromag...Do forces have a stronger effect on the behavior of gas or liquid?
Help :pWhat makes a star glow???
I need to know asap!!! What makes a star glow different colors??? Please just help me find some info about this!!! Help please!!! Thanks :)Mole?
What is the history of the mole? Who came up with it? Why was it created? Wats the actual # for a mole? When was it created? What does it mean...Possibilty of charging an electrical device with body heat?
would if actually be technically possible to charge a mobile phone with your own body heat? I'm not a sciency type person so I wouldnt know, I just...How do you find the speed of an object without a given time
How do you find the speed of an object without a given time.the problem is "an archer fires a 30-kg arrow form a bow the archer exerts an average f...What is a ecofact
What is a ecofactPhyiscal science
what is the answer to this question Calculate Acceleration The download force of gravity and the upward force of air resistance on a ball are bot...