34.5 X 10^-11 grams of lead
You can tell if its a living thing from a microscope by its movement
The mass of carbon needed is 56g to get it to stop
to be honest I'm trying to give an educated guess hope I've helped
The elements are arranged in horizontal rows, or periods, by order of increasing atomic number, which equals the number of protons in the atomic nucleus of each element.
Answer:
A Family Portrait
That element is NOT in the family. When we told you about families, we said that they were groups of elements that react in similar ways. Hydrogen is a very special element of the periodic table and doesn't belong to any family. While hydrogen sits in Group I, it is NOT an alkali metal.
