Answer
a)
A: compound
B: element
C: compound
D: compound
E: compound
F: element
b)
All molecular arts in this problem are molecules.
Work Step by Step
a)
A: Different colors: compound
B: Same color: element
C: Different colors: compound
D: Different colors: compound
E: Different colors: compound
F: Same color: element
b)
Black: C and White: H; Nonmetals: Covalent bond: Molecule
Blue: N; Nonmetal: Molecule
Blue: N and Red: O: Covalent bond: Molecule
Green: Cl and White: H: Covalent bond: Molecule
Black:C, White: H and Blue: Nitrogen: Covalent bond: Molecule
Red: F: Covalent bond: Molecule
