Brainliesttt answer : )

describe metals and nonmetals. explain in your own words.

Metals are on the far left side of the staircase, except for Aluminum, Germanium, Stibium [Antimony], Polonium, and Tennessine [Ununseptium], and non-metals are on the far right side of the staircase, except for Boron, Carbon, Silicon, Arsenic, Selenium, Tellurium, Astatine, and Oganesson [Ununoctium], The Periodic Table of Elements was created by the famous Russian inventor and chemist Dmitri Mendeleev.

* The boldfaced elements are what are known as metalloids.

I am joyous to assist you anytime.

"standard molar enthalpy:

h2o ( liquid water ) : - 285.8 kj/mole

h2o ( water vapor ) : - 241.8 kj / mole.

δhrxn = - 241. 8 - ( - 285.8 )= -241.8 + 285.8 = 44.0

answer: 44.0 kj"

thats how its supposed to be