the time required for the activity of a substance taken into the body to lose one half its initial effectiveness. Informal. a brief period during which something flourishes before dying out.
hope this helps ^^
1 proton and-1 electrons and 0 neutron
Answer:
4.32 
×
= 5.37
Explanation:
22.4 is how many liters per mole. 18.01 is the mass of H2O.
Since chromium has 24 as its atomic number (which mean that it has 24 proton and 24 electron in neutral ground state), the electron configuration for the chromium would be :
1s^2 , 2s^2 , 2p^6 , 3s^2, 3p^6 , 3d^5 , 4s^1
<span>C. Static electricity. Except that electrons are never really at rest.</span>
