Question

Below are atomic-scale models of two different substances. Use the terms in the word bank to label these models. Use each of the terms only once.

Answer 1

1st box is atom

2nd box is molecule

3rd box repeating atoms

4th group extended structure of CH_4

• KCL is molecule
• CH_4 is molecule
• Cl is atom

Answer 2

See below

Step-by-step explanation:

1) Top left box

• Atom (As it points to only Cl atom)

2) Top right box

• molecules (more than one atom)

3) Bottom left box

• repeating atom group (as there are many KCl groups)

4) Bottom right box

• extended structure (remaining option)