This is how sodium appears in the periodic table. An orange box has N a at the center and 11 above. Below it says sodium and below that 22.99. A blue arrow points to 22.99.

The arrow is pointing to sodium’s

number of neutrons.
chemical symbol
atomic mass
combined number of electrons and protons.

How does a hydroelectric power plant converts energy into energy.

What is the correct term for living the most sustainable life you can within your current circumstances?

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.