During a phase change, the temperature of a substance
a. increases
b. decreases
c. remains constant
d. may increase or decrease

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

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 )

26. of of (aq) by (aq) is . if 50.00 ml of 1.05 m is to 25.00 ml of 1.86 m ,at be? ( no is toina of aof) , h.. (p. ). . .