Ionic and Polyatomic Compounds
Sig Fig Calculations
Electron Configuration
Atomic Families
Periodic Trends
100

The name of the compound Al(OH)3

What is aluminum hydroxide?

100

Subtract 102.3 from 203.456, and express the result with proper significant figures.

What is 101.2?

100

The correct electron configuration for a neutral oxygen atom.

What is 1s22s22p4?

100

Al, Si, P, S: This element has the Lewis Dot Structure: a symbol with four dots evenly spaced around it.

What is Silicon/Si?

100

This trend increases from top to bottom because additional orbitals are added.

What is atomic radius?

200

The formula for the compound  sodium bicarbonate.

What is NaHCO3?

200

The result of 12.35 × 0.0250, expressed with the correct significant figures, is this.

What is 0.309?

200

This is the full electron configuration for sulfur (S).

What is 1s22s22p63s23p4?

200

This family typically forms 1- anions. (Also provide two examples)

What is halogens? (F, Cl, Br, I, At)

200

Between potassium (K) and bromine (Br), this element has a larger atomic radius. Explain.

What is K? Because it has less protons in its nucleus pulling on the valence shell.

300

In Fe2(SO4)3, this is the charge on the transition metal.

What is 3+?

300

Convert 0.00035980 to scientific notation with three significant figures.

What is 3.60 x 10-4?

300

The noble gas configuration for bromine (Br).

What is [Ar]184s23d104p5

300

This explains why elements in the same group have similar chemical properties.

What is having the same number of valence electrons?

300

This is why noble gases have very low electronegativity values.

What is noble gases have a full valence shell?

400

This type of bond forms when electrons are transferred between atoms.

What is ionic?

400

Multiply 0.0034 by 100.2 and express the answer using significant figures.

What is 0.34?

400

This rule or principle is violated if two electrons in the same orbital with the same spin.

What is the Pauli Exclusion Principle?

400

This group contains the most reactive metals.

What is group 1/alkali metals?

400

A. Li & Na
B. O & S
C. C & F
D. Na & Cl

This pair of elements will show the greatest difference in atomic radius

What is Li and Na?

500

This is the formula for the compound formed between calcium and nitrate.

What is Ca(NO3)2?

500

Round 0.00456789 to this number of significant figures: three.

What is 0.00457?

500

This states that an electron occupies orbitals in order from lowest energy to highest.

What is the Aufbau principle?

500

This family has an oxidation number of zero.

What is noble gases?

500

Be, Li, B, C: Arrange these elements in order of increasing atomic radius.

What is C, B, Be, Li?

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