Periodic Table

Front

What are element symbols?

Back

Element symbols are one or two-letter abbreviations used to represent chemical elements on the periodic table, such as H for Hydrogen and O for Oxygen.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each substance retains its own properties, such as air, soil, or soup.

Front

What is a molecule?

Back

A molecule is the smallest unit of a compound that retains the chemical properties of that compound, made up of two or more atoms bonded together.

Front

What is the symbol for carbon?

Back

C

Front

What is a metalloid?

Back

Metalloids are elements that have properties of both metals and nonmetals; they are often semi-conductors and can be shiny or dull.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of chemical elements, organized by increasing atomic number, where elements with similar properties are grouped together.

Front

What is an atom?

Back

An atom is the basic unit of a chemical element, consisting of a nucleus surrounded by electrons.

Front

What are compounds?

Back

Compounds are substances formed when two or more different elements chemically bond together, such as water (H2O) or carbon dioxide (CO2).

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What are nonmetals?

Back

Nonmetals are elements that typically lack the properties of metals; they are usually poor conductors of heat and electricity and can be gases or brittle solids.