How many convalent bonds are there in one molecule of carbon dioxide, co2?
(a) 0 covalent bonds
(b) 2 covalent bonds
(c) 4 covalent bonds
(d) 6 covalent bonds

What element breaks down into yttrium-90?

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)