Vocabulary
Calculations
Bonding
Vocabulary
Scientist
100

An educated guess

What is a hypothesis?

100

6.022 X 1023

What is Avogadro's number?

100

A compound surrounded by more than the octet value.

What is Expanded octet?

100

The center of every atom.

What is the nucleus?

100

Discovered the electron.

Who is J.J. Thomson?

200

solid, liquid, and gas

What are the states of matter?

200

The molar mass of Cl2.

What is 70.9 g/mol?

200

The shortest form of a pi bond.

What is a triple bond?

200
The two particles make up the nucleus in an atom.

What are protons and neutrons?

200

A British physicist, showed that light could be diffracted

Who is Thomas Young?

300

Two types of chemical bonds commonly found in compounds.

What are covalent and ionic bonds?

300

A number between 1 and 10 multiplied by a power

What is scientific notation?

300

The chemical name of this covalent compound: SO4.

Sulfur tetroxide

300

Particle that circles the nucleus and is negative.

What is an electron?

300

He proposed that particles of light are really photons.

Who is Einstein?

400

Electrons used by atoms to form chemical bonds.

What are valence electrons?

400

Number of protons plus neutrons in an atom.

What is atomic mass?

400

Name of this ionic compound H2SO4.

What is sulfuric acid?

400

A charged atom with a net negative charge.

What is an anion?

400

His theory along with Einstein’s ideas not only explained the photoelectric effect, but also made it possible for scientists to unravel the idea of atomic line spectra.

Who is Planck?

500

Atoms tend to lose, gain, or share electrons until they are surrounded by 8 electrons on their valence shell.

What is the Octet Rule?

500

Mass/ Volume

What is density?

500

The average student is in class 330 minutes/day. This makes how many hours/day?

what is 5.5 hours/day

500

Atoms of the same element with a different mass number.

What is isotope?

500

They developed the equation to calculate all spectral lines in hydrogen (2 people).

Who are Balmer and Rydberg?

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