Bohr Models Challenge (Warm-Up)

Identify the element represented by the following Bohr Model, which has 2 electrons in the first energy level and 8 electrons in the second energy level.

• Helium

• Neon

• Oxygen

• Carbon

Tags

NGSS.MS-PS1-1

Which of the following Bohr Models correctly represents the element Carbon?

• 2 electrons in the first energy level, 4 electrons in the second energy level

• 2 electrons in the first energy level, 6 electrons in the second energy level

• 2 electrons in the first energy level, 8 electrons in the second energy level

• 2 electrons in the first energy level, 2 electrons in the second energy level

Tags

NGSS.MS-PS1-1

In a Bohr Model, what is the maximum number of electrons that can occupy the second energy level?

• 2

• 4

• 8

• 10

Compare the Bohr Models of Sodium and Magnesium. Which statement is true?

• Both have the same number of electrons in the outermost energy level.

• Sodium has one more electron in the outermost energy level than Magnesium.

• Magnesium has one more electron in the outermost energy level than Sodium.

• Both have the same number of total electrons.

Which element has a Bohr Model with 2 electrons in the first energy level, 8 in the second energy level, and 1 in the third energy level?

• Sodium

• Magnesium

• Aluminum

• Potassium

Explain why the Bohr Model of Chlorine has 7 electrons in its outermost energy level.

• Chlorine is in Group 17 of the periodic table.

• Chlorine has 7 protons.

• Chlorine has 7 neutrons.

• Chlorine is in Period 3 of the periodic table.

Determine the number of energy levels in the Bohr Model of Calcium.

• 2

• 3

• 4

• 5

Which Bohr Model correctly represents the element with the atomic number 10?

• 2 electrons in the first energy level, 8 in the second energy level

• 2 electrons in the first energy level, 6 in the second energy level

• 2 electrons in the first energy level, 10 in the second energy level

• 2 electrons in the first energy level, 4 in the second energy level

Tags

NGSS.MS-PS1-1

Analyze the Bohr Model of Argon from Group 18.

• It has a full outer energy level of electrons.

• It has an odd number of electrons.

• It has more protons than electrons.

• It has an incomplete outer energy level of electrons.

Tags

NGSS.HS-PS1-1

Which element has a Bohr Model with 2 electrons in the first energy level, 8 in the second energy level, and 8 in the third energy level?

• Argon

• Neon

• Sulfur

• Phosphorus

Tags

NGSS.MS-PS1-1