Worksheet PrintWorksheet 1. Which of the following statements is NOT TRUE? A solid can contain pure elements, like a chunk of iron. Solids can contain a mixture of more than one type of atom. Solids can contain separate atoms mixed together. ...
Worksheet PrintWorksheet 1. What does a Lewis dot diagram allow you to show? The valence electrons in an element. All of the electrons in an element. The valence protons in an element. The neutrons, protons, and electrons in an element. ...
Worksheet: Counting Atoms Version A This worksheet will serve as a practice to help students distinguish one element from another in a variety of chemical formulas. Also, this practice will also help students to count the atoms in a chemical formula AND whether it is a single molecule of a ...
proposed matter was made of 4 elements: earth, air, fire, water. they coined the word “atom” meaning cannot be broken.“modern” atomic theory lavoisier (1743-94) law of conservation of matter matter is neithe 2、r created nor destroyed matter never “goes away,” even when an object ...