Average Atomic Mass Answer Key

Educatee Exploration: Average Atomic Mass

Directions: Follow the instructions to go through the simulation. Respond to the questions and

prompts in the orangish boxes.

5ocabulary: average atomic mass, isotope, mass defect, mass number, mass spectrometer, nuclear binding

free energy, unified atomic mass unit, weighted average

Prior Cognition Questions (Exercise these Earlier using the Gizmo.)

i. In the paradigm to the right, the cans of soup have different

masses. Without doing the math, judge the boilerplate mass

of a can of soup.

2. Now calculate the average mass by adding up the masses of all the cans and dividing past the total number

of cans.

A. What is the average mass of a can of soup?

The average mass of a can of soup is

200g.

B. How close was your prediction?

I predicted it would exist 300g without

doing any math, and so I was 100g off from

the actual average mass. I did however,

figure it would be somewhat of a lower,

more generalized size.

Gizmo Warm-upward

Simply like cans of soup, atoms of the same chemical element often take different

masses. These different varieties are called isotopes. In the Average

Atomic Mass Gizmo, you volition learn how to notice the boilerplate mass of an

element using an musical instrument chosen a mass spectrometer.

To begin, bank check that Carbon is selected and the Isotope mix is Custom.

Use the sliders to add near 20 atoms each of Carbon-12 and

Carbon-13 to the bedroom.

1. In the mass spectrometer, atoms are vaporized (turned into a gas) and ionized (stripped of electrons). The

charged particles are then shot through a tube surrounded by electromagnets. Click Release atoms and

detect the particles as they hit the detector.

A. Practise the ions travel in a straight path or a curved path?

The ions travel in a curved

path.

B. Which atoms are deflected the most by the magnetic field?

Average Atomic Mass Answer Key,

Source: https://www.studocu.com/en-ca/document/high-school-canada/chemistry-grade-11-university/average-atomic-mass-gizmo-answers/20582863