Correct coefficients to balance

H2 + NO —> N2 H2O

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Which is a characteristic of mixtures?

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )