Underwent sharing of electrons or covalent molecular compounds. Then put an (x) mark under polar compounds if the
compounds are polar. Do the same with the nonpolar compounds. The first
one is done for you.
CH4
F2
NO3
Naci
CO2
N2 SO4
H2
Cao
02
HCI
LiBr
C2 H2O
Molecular Compound
Polar Compound
Non-polar Compound
1. CH4​

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.