Periodic Table
Lab
Chemical History
Chemistry terms
nuclear chemistry
100

What element is represented by the symbol "O" on the periodic table?

Oxygen

100

What goes over your eyes and protects them from flying sharp objects?

Goggles

100

Who invented the periodic table?

Dmitri Mendeleev

100

 A substance that increases the rate of a chemical reaction without being consumed in the process?

catalyst

100

What is nuclear fission, and how does it differ from nuclear fusion?

Fission is the splitting of a heavy, unstable nucleus into two lighter nuclei, and fusion is the process where two light nuclei combine together releasing vast amounts of energy.

200

What element symbol has "Fe" on the periodic table?

Iron 

200

Is it safe to mix chemicals together?

No

200

Who discovered electrons?

J.J. Thomson

200

The mass of an atom, usually expressed in atomic mass units (u) or grams?

atomic mass

200

How do nuclear weapons harness nuclear reactions for explosive energy?

The energy from an initial fission explosion is used to ¨fuse¨ hydrogen isotopes together.
300

What element symbol has "Ti" on the periodic table?

Titanium

300

What is the glassware you pour liquids into?

Beaker

300

When did the discovery of oxygen happen?

1774-1775

300

A measure of the acidity or basicity of a solution; pH values range from 0 to 14, with 7 being neutral?

pH

300

How are radioisotopes used in industrial processes and agriculture?

They control industrial processes and study environmental.

400

What element symbol has "Pt" on the periodic table?

Platinum 

400

What should you do when a chemical spill occurs?

Notify a teacher or adult

400

What did Antoine Lavoisier do?

Made significant contributions to the field of chemistry during the late 18th century

400

 An atom or molecule with a net electric charge due to the loss or gain of electrons?

ion

400

What is the difference between an alpha, beta, and gamma decay?

Alpha: helium nuclei, beta: electrons/positrons, gamma: electromagnetic radiation release from nuclei.


500

What element symbol has "Au" on the periodic table?

Gold

500

What is the tube that is wide at the top and narrow at the bottom?

A funnel

500

What was Dalton's Atomic Theory?

Elements are composed of indivisible atoms.

500

A substance that consists of only one type of atom, distinguished by its atomic number?

element

500

What are some common applications of radioisotopes in medicine?

Medical imaging, cancer treatment, and diagnostic procedures use radioisotopes effectively.