The Atom
Moles
Quantum
Periodic Trends
Ionic and % Comp
100

The subatomic particle with 0 mass and a charge of -1.

What is an electron?

100

Avogadro's number.

What is 6.02x1023?

100

The rule that states that all atoms want 8 electrons in their valence shell to be stable.

What is the Octet Rule?

100

This family contains colorless, odorless gases that are unreactive. All but one of the elements in this family have 8 valence electrons.

What are the Noble Gases?

100

Name the following: K3N

Potassium Nitride

200

This subatomic particle differs between isotopes of the same element.

What are neutrons?

200

The molar mass of carbon. (must include units for correct answer!)

What is 12.01 g/mole?

200

This element has an electron configuration of 1s22s22p3.

What is nitrogen?

200

The element with the largest atomic radius out of the following group of elements: Beryllium, Boron, Carbon.

What is Beryllium?

200

The percent composition of sodium in sodium chloride.

What is 39.34%

300

This isotope of carbon has 8 neutrons in its nucleus.

What is carbon-14 (C-14)?

300

Convert 84.65 g of NaCl to moles

1.45 moles NaCl

300

This element has the Noble Gas Configuration of [Kr]5s2 4d4.

What is Molybdenum?

300
The most reactive element out of the following group of elements: Be, Mg, Ca.

What is Ca?

300

The name of the ionic compound Li3PO4.

What is lithium phosphate?

400

The type of ion that is formed when an atom loses electrons.

What is a cation?

400

Convert 194.33 g of CuSO4 to molecules.

7.33x1023 molecules of CuSO4

400

What element has the configuration: [Xe] 6s2 4f12

Erbium

400

The energy required to remove an electron from an atom is called...

What is ionization energy?

400

The name of Cr2C

Chromium (II) Carbide

500

The mass number of a sodium atom with 13 neutrons. 

What is 24 amu.

500

Convert 1.43x1025 molecules of Sodium Nitrate to grams. 

2018.96 grams NaNO3

500
According to this principle, electrons will fill the lowest energy orbitals first.

What is the Aufbau Principle?

500

The name of the scientist who organized elements on the periodic table by increasing atomic number (the periodic table we use today).

Who is Henry Moseley?

500

The percent composition of all elements in Cobalt (II) Arsenide

Co: 54.13%

As: 45.88%

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