Answer:
0.8 g/cm^3
Explanation:
Density is the amount of substance present per volume.
Density = Mass / Volume = (25.0 g) / (30.0 cm) = 0.83333 g/cm^3
=> Density = 0.8 g/cm^3 (rounded up to one decimal place)
Answer:
47530 is the nearest 10 to 47526
Answer:
12, 28, 16
Explanation:
If we are trying to find mass, neutrons are our guy. 28 "mass points" means 28 neutrons. Each neutron is one point
We know there are 12 protons and electrons if we look at a table of elements, the number in the top-left is always the number of protons and we can subtract mass from the protons to get our electrons
Answer:Because of the rapid changes in altitude and temperature along a mountain slope, multiple ecological zones are “stacked” upon one another sometimes ranging from dense tropical jungles to glacial ice within a few kilometres
Explanation:
