Atoms and Molecules
Periodic Table
Subatomic Particles
Chemical Reactions
pH - Acids and Bases
200

These are made up of atoms.

What are molecules?

200

Periods are horizontal and groups are vertical.

What's the difference between periods and groups?

200

The number of protons in an atom.

What does the atomic number stand for?

200

Ionic Bonds

What type of bond makes NaCl (table salt)?

200

Purple cabbage juice and litmus paper.

What are two substances that can be used as a pH indicator?

400

This is the minimum number of atoms in a molecule.

What is two?

400

These elements are found in Group One on the Periodic Table.

What are the Alkali Metals?

400

This consists of protons and neutrons.

What is the nucleus?

400

This is the connection between atoms where two atoms share a valence electron.

What is a covalent bond?

400

This substance is neutral has the pH value of 7.

What is water?

600

Eight Protons

What are the number of protons in an Oxygen atom?

600

These elements are also known as “salt formers”.

What are Halogens?

600

These are located in the shell farthest from the nucleus.

What are valence electrons?

600

This is a  process during which chemical bonds between atoms are broken and new ones are formed.

What is a chemical reaction?

600

Between 7 and 14.

What is the pH range for Basic substances.

800

This is an atom with an electric charge.

What is an ion?

800

These elements do not usually form molecules with other atoms.

What are the noble gases?

800

This is the space where electrons travel around the nucleus.

What is the electron cloud or shell?

800

Production of a gas, unexpected change of color, unexpected odor, and production of a solid substance.

What are examples of evidence that a chemical reaction has occurred?

800

Soap, drain cleaner, Alka Seltzer

What are examples of basic substances?

1000

It determines the properties of the molecule.

What is the shape of the molecule?

1000

Au, Pt, Ag, and W

What are elemental symbols that don't have to do with the English names of the elements? (Gold, Platinum, Silver, and Tungsten)

1000

This is the center of an atom.

What is the nucleus?

1000

This is a kind of chemical reaction that involves adding oxygen to another element.

What is oxidation?

1000

Lemon, Lime, Grapefruit, Tomato Sauce

What are examples of acidic substances?

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