Why are galaxies quickly moving away from eachother

A pure titanium cube has an edge length of 2.66 in. how many titanium atoms does it contain? titanium has a density of 4.50 g/cm3.

All fungi are. prokaryotes? eukaryotic? unicellular? multicellular

How many protons, neutrons, and electrons are there in a neutral atom of 97tc (technetium-97) ?

An incandescent 60 W bulb has only a 5% efficiency and uses 600 J of energy in 10 seconds. How much thermal energy is generated by the bulb in 10 seconds

Describe the structure of graphene

For the baeyer-villiger oxidation of cyclohexyl methyl ketone

What will happen if the density of an object is less than the density of water?

Which cannot be separated into simpler substances? compound element solution mixture

What jobs involve chesmistry

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+charge. How are these two alike? How are they different? Be sure to use the terms proton, neutron, and electron in your answer.