¿ a que se encuentra 20 moles de un gas ? ¿ si estan sometidos a 36°C en un recipiente de 20 litros?​

Which substances have the lowest melting points: ionic covalent, or metallic

What overall charge must all compounds have

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture