Isotopes and Ions
Unit Conversions
Element Properties
Spectral Lines and Photons
Electron Configurations
100

These two atoms are isotopes of each other: 12C and 14C.

What are Carbon-12 and Carbon-14?


100

 Convert 5.00 g to mg.

What is 5000 mg?

100

This element has an atomic number of 12.

Answer: What is Magnesium (Mg)

100

This color of light has the shortest wavelength.


What is violet?

100

The electron configuration for an atom of Oxygen.

What is 1s^2 2s^2 2p^4?

200

This ion has the same electron configuration as Neon.

What is Na+?

200

If 2.5 L is converted to mL, what is the result?


What is 2500 mL?

200

This element has 26 protons.

What is Iron (Fe)?

200

This color of light has the longest wavelength.

What is red?

200

The electron configuration for an atom of Sodium.


What is 1s^2 2s^2 2p^6 3s^1?

300

This ion has 18 electrons and 17 protons.

What is Cl-?

300

Convert 0.75 km to meters.

What is 750 meters?

300

This element has the same number of protons and electrons as Zinc.

What is Zinc (Zn)?

300

A photon with a wavelength of 500 nm has this energy.

What is 3.98 x 10^-19 J?

300

 The electron configuration for an atom of Chlorine.

What is 1s^2 2s^2 2p^6 3s^2 3p^5?

400

These two atoms are isotopes of each other: 31P and 32P.

What are Phosphorus-31 and Phosphorus-32?

400

If 45.0 μg is converted to grams, what is the result?

What is 4.5 x 10^-5 grams?

400

This element has 14 neutrons and 14 protons

What is Silicon (Si)?

400

This color of light has a wavelength of approximately 600 nm.

What is orange?

400

The electron configuration for an atom of Argon.

What is 1s^2 2s^2 2p^6 3s^2 3p^6?

500

This ion has 20 protons and 18 electrons.

What is Ca2+?

500

Convert 0.0025 kg to mg.

What is 2500 mg?

500

This element has 53 neutrons and 42 protons. (I just need the symbol, name is 50 bonus points)

What is Molybdenum (Mo)?

500

 A photon with an energy of 4.00 x 10^-19 J has this wavelength.


What is 497 nm?

500

The electron configuration for an atom of Calcium.

What is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2?

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