Please help me, thank you in advance :) Have a great day/night <3
(There's 4 questions)

Match the element with its description.

Elements:

1. Fluorine
2. Lithium
3. Krypton
4. Lead

descriptions:

a. Malleable, soft, and shiny
b. Opaque solid with higher density
c. Highly reactive gas
d. Nonreactive gas

First work with stencil one. use a combination of reflections, rotations, and translations to see whether stencil one will overlap with the original pattern. list the sequence of rigid transformations you used in your attempt, noting the type of transformation, the direction, the coordinates, and the displacement in