pH
Atomic Theory
Chemistry in our World
Atoms, Mass, and Matter
Chemical Reactions
100

The pH of water

What is 7?

100

The shape of an atom.

What is a sphere?

100

The gas that causes dough to rise.

What is CO2?

100

This state of matter has a definite volume and a definite shape

What is a solid?
100

There are many signs that indicate that a chemical process has happened. Name two of these signs.

What are

- Formations of a precipitate

- Production of an Odor

- Change in Color

- Formation of a Gas

- Change in temperature

- Light

200

The typical range of the pH scale

What is 0-14?

200

Through an experiment that involved shooting an alpha particle at gold foil, this scientist that discovered the proton.

Who is Earnest Rutherford?

200

The tip of a pencil, made of graphite, creates a visible stroke when this element is rubbed off the tip.

What is Carbon?

200

Two atoms that have different numbers of neutrons

What are isotopes?

200

A reaction that releases heat.

What is an exothermic reaction?

300

The pH of a substance below 7 is _____, while the pH of a substance above 7 is _____.

What is acidic, basic?

300

This scientist was responsible for creating the plum-pudding model.

Who was J.J. Thompson?

300

Before scientists realised its hazards to humans and the environment, thermometers measured temperature with this element.

What is Mercury?

300

The transition of a gas back into a liquid.

What is condensation?

300

Two products of hydrogen peroxide decomposing?

What is water and oxygen?

400

At 25 degrees celsius, the [H+] and [OH-] are equal at this pH.

What is 7?

400

During Robert Millikan's oil drop experiment, he discovered this. 

What is the charge of an electron?

400

This ion is light blue in aqueous solutions.

What is Coppper II?

400

The number of mL in 1 cm3.

What is 1?

400

The catastrophic result of when cesium is placed in water.

What is an explosion?

500

The function of a pH buffer in a solution.

What is resisting change in pH?

500

The scientist that discovered the neutron.

Who is James Chadwick?

500

The chemical formula of laughing gas?

What is Nitrous Oxide (N2O)?

500

The number of atoms in one mole.

What is Avogadro's Number? (6.022*1023 particles per mole)

500

The chemical reaction that is constantly happening at the sun to create light.

What is Nuclear Fusion?