Hạt tạo thành khí oxi có mấy nguyên tử oxi liên kết với nhau?

If the element whose electric configuration ends in the d sublevel, the element is calssified as? a.inner transition b.noble gases c.representative d. transition

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

The element that has the greatest electronegativity is