Atoms, Elements, Compounds and Mixtures

Based on the following image, how many protons, neutrons, and electrons does the element Gold have?

• 200 Protons, 79 electrons, jimmy neutrons

• 79 Protons, 79 electrons, 196.97 neutrons

• 79 Protons, 79 electrons, 117.97 neutrons

Based on the following image, what is the atomic number?

• 79

• 196.97

• 80

The atomic mass is the number of ....

• protons and neutrons added together

• protons and electrons added together

• electrons and neutrons added together

Elements can be broken down into a simpler substance.

• True

• False

Table salt is an example of a compound and salt water is an example of a mixture.

• True

• False

In a compound, the elements lose their characteristic properties.

• True

• False

Identify is the mixture is heterogeneous (HE) or homogeneous (HO).

• HE

• HO

Identify is the mixture is heterogeneous (HE) or homogeneous (HO).

• HE

• HO

Identify is the mixture is heterogeneous (HE) or homogeneous (HO).

• HE

• HO

Identify is the mixture is heterogeneous (HE) or homogeneous (HO).

• HE

• HO