Is it 100% sur than electron have negative charg and proton have pasitive?

What are the advantages and disadvantages of sustainable energy?

Now consider the statements in Part A that are inferred from models. A solar model is used to calculate interior conditions based on certain "known" characteristics of the Sun, such the Sun's total mass. How do we know the Sun's mass? a.

Our Sun radiates 4 X 10^26 Joules of energy each second it shines. Calculate how many 50 megaton hydrogen bomb explosions would be needed to produce the same 4 X 10^26 Joules of energy that the Sun radiates in one second.?

Which of the following is the largest unit? Hectogram Dekagram Decigram Microgram

If I push a box at a constant rate is there friction force acting on it?

F an electron fell to a lower orbit or energy level, energy would be A. created. B. emitted. C. absorbed. D. transferred.

Which is the correct order from the closest to the sun to the farthest away from the sun? A. terrestrial planets, asteroid belt, gas planets, Kuiper belt B. gas planets, asteroid belt, terrestrial planets, Kuiper belt C.

Ethylene (C2H4) reacts with oxygen gas to produce carbon dioxide and water. 45.0 grams of ethylene reacts, how many grams of carbon dioxide gas will be produced?

What causes ice to melt and water to boil

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom