Which type of bonding is present when valence electrons move within the sample? A. metallic bonding
B. hydrogen bonding
C. covalent bonding
D. ionic bonding

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .

Name the element in group 17, period 2. (periodic table)