Which of the following explains how all compounds are created? a. by the combination of an unlimited number of elements b. by creating and destroying protons of different atoms c. by the combinations of many atoms of the same element d. by losing, gaining, or sharing electrons between other atoms

What type of reaction is illustrated? 2c12o5 = 2cl2 + 502

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

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