Hạt nhân nguyên tử gồm hạt nowtron và proton điện tích của các hạt này là

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

3 1/4 %

explanation:

it is stable as it is in group 0 which have full outer shells of electrons

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;