Midterm Review Jeopardy

The Beginning

100

For an experiment, I need to measure out 23.5 mL of water. 

Pick the correct instrument and measure out the water!

Graduated cylinder, halfway between 23 and 24

200

Write this number in scientific notation with 4 significant figures:

4,300,000

4.300 x 10⁶

300

Convert 5 Km³ to m³

5,000,000,000 m³

400

I am a piece of lab equipment. Without me, the party can't get started, but when I show up, it gets lit. 

You could say that I "spark" the fire. 

What am I?

I am a striker (lights the Bunsen burner)

500

One object has a mass of 13 Hg and a volume of 14,532 dL.

Another object has a mass of 153,000 cg and a volume of 2.6 KL. 

A third object has a mass of 13g and a volume of 1,000 mL.

Which has the greatest density?

Object 1: .89 g/L

Object 2: .59 g/L

Object 3: 13 g/L

The Basics

100

Write out the symbolic notation for a particle with 23 protons, 25 neutrons, and 20 electrons

₂₃⁴⁸V³⁺

200

One scientist must have been hungry when he named his atomic model, because he named it after plum pudding! 

Who was the scientist, and what were the "plums" in his pudding?

J.J. Thomson

Electrons

300

Determine the half-life of a radioactive banana if a 400g sample decays to 50g in 17 hours

5.7 hours

400

Identify the physical change and the chemical change in this scenario:

When hydrochloric acid and zinc metal react, hydrogen gas is produced. The hydrogen gas is condensed to liquid hydrogen.

Chemical change: Hydrogen gas produced

Physical change: Hydrogen gas condensed

500

Calculate the average atomic mass for the following element:

Veritasium-186                    10%

Veritasium-189                    13%

Veritasium-192                    77%

191 amu or g/mol

The Not-So-Basics

100

What is the name of the group that this element resides in?

1s² 2s² 2p⁵

Halogens

200

Rank the following atoms from least to most electronegative:

Barium (Ba)                     Antimony (Sb)

Tin (Sn)                            Oxygen (O)

Barium, Tin, Antimony, Oxygen

300

An aufbau diagram is shown below. Who does it belong to?

↑

                    ↑↓       ↑↓  ↑↓  ↑↓

                    ↑↓       ↑↓  ↑↓  ↑↓

↑↓

Potassium

400

You discover a new element with atomic number 120. What is its noble gas configuration?

[Og] 8s²

500

Give the quantum numbers for one of Xenon's valence electrons in the s orbital. 

( ___ , ___ , ___ , ___ )

(5, 0, 0, +- 1/2)

Chemicals

100

Does a Selenium atom gain or lose electrons when it forms an ionic compound? How many?

Gains 2 electrons

200

What is the formula for lithium nitride?

Li₃N

300

Write the formula for this compound and determine what type of bond is present.

Sulfur dibromide

SBr₂

Covalent

400

Rank the following bonds from least to most polar

F-Si , F-F , F-Al , F-Cl , F-Br

F-F , F-Cl , F-Br , F-Si , F-Al

500

What is the name of this compound?

OsO₄

Osmium (VIII) oxide

(AKA osmic acid)

Challenge Mode

100

How many valence electrons does arsenic have?

5

200

Give an example of an isotope and an ion of oxygen.

Oxygen-15 is an isotope (different neutrons)

O^2- is an ion (different electrons)

300

How many how many hours are spent on TikTok every month (30 days) if the app has 766 million daily users that spend an average of 1 hour per day on the platform?

22,980,000,000 hours

400

Write out the formula to represent the alpha decay of Neodymium-144

₆₀¹⁴⁴Nd --> ₅₈¹⁴⁰Ce + ₂⁴He

500

Phosphoric acid (H₃PO₄) is spilled on a lab bench. Give an example of a compound that could be used to neutralize the acid

A base

anything with hydroxide (OH^-)