Elements Focus Lesson

Elements Focus Lesson

Science 8

​Objectives:

• I can define the term element.

• ​I can use models to explain how the atoms in elements are organized.

• I can use models to explain the difference between atoms and molecules.​

Fill in the Blanks

Elements are substances that have

type of atom.

Multiple Choice

What is TRUE about diamond, coal, and pencil lead?

• They all have the same properties.

• They are all made of the same element.

• They are all made of different types of atoms.

• They are have the same hardness.

Multiple Choice

The atomic number of an element tells us the number of _____ that element has in its nucleus.

• protons

• neutrons

• electrons

• decepticons

Fill in the Blanks

What is the atomic number of fluorine?

Fill in the Blanks

What is the element symbol for silicon?

Fill in the Blanks

What element has the symbol Au?

Multiple Choice

Select the particle model that represents an element.

Multiple Choice

Select the particle model that represents an element.

Multiple Choice

Select the particle model that represents an element.

• None of these models represent elements.

Multiple Choice

Select the particle model that represents an element.

• None of these models represent an element.

Multiple Choice

Select the particle model that represents an element arranged in molecules.

Multiple Choice

Select the particle model that represents an element.

Multiple Choice

Select the particle model that represents an element.

Multiple Choice

Based on this image, select the best definition of a molecule.

• single atoms close to each other

• two or more atoms bonded together

• two or more different types of atoms bonded together

• two or more of the same types of atoms bonded together.