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

12/11c

or

12

c

11

4

step-by-step explanation:

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

step-by-step explanation:

given   that triangle lno is congruent to triangle lnm.

we have to fill up the blanks in the given question.

according to above order of congruency   kept in mind we can say that

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

ln ≅ ln due to common in both.

hence, by sas congruency,

the side angle side rule   states that if two sides and the included angle of one triangle are congruent to another triangle, then these two triangles are congruent.

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents