Which of these is a compound?
a)air
boxygen
c)carbon dioxide
d)carbon

Which orbitals form a pi bond? a.the s orbital and three p orbitals b.the s orbital and two p orbitals c.overlapping p orbitals d.overlapping hybrid orbitals

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?