How are an atom of calcium-48 and an atom of calcium-47 different?

Which element is less reactive, an element whose atoms have seven valence electrons or an element whose atoms have eight valence electrons? explain

1. Briefly, what is science?

How big does a dong have too be to fit in a black girls bu?

A rock is thrown 0.8 meters into the air. Find how fast it was thrown.

What differentiates the two types of human cloning?

Do different volumes of water have the same density? Why or why not?

Suppose you increase your walking speed from 4 m/s to 12 m/s in a period of 1 s. What is your acceleration?

If a wave is traveling at a constant speed, and the frequency decreases, what would happen to the wavelength? A) It would increase B) It would decrease C) It would remain constant D) It would drop to zero

What conditions lead you to see an absorption line spectrum from a cloud of gas in interstellar space?

A car travels 35.0 mph north for 1.00 hour, then 40.0 mph east for 0.0500 hour, and finally 50.0 mph northeast for 2.00 hours. Calculate the average speed.