Periodic Table Concepts and Questions

Front

What is the periodic table?

Back

A chart that organizes all known chemical elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

How do electrons move in an atom?

Back

Electrons move quickly around the nucleus in specific energy levels.

Front

What is a mole in chemistry?

Back

A unit that measures the amount of a substance, equivalent to 6.022 x 10^23 particles.

Front

How do you calculate the mass of a substance in grams from moles?

Back

Multiply the number of moles by the atomic or molecular mass of the substance.

Front

What is the atomic mass of oxygen?

Back

Approximately 16 g/mol.

Front

What are the five common types of chemical reactions?

Back

Synthesis, decomposition, single replacement, double replacement, and combustion.

Front

What is a chemical bond?

Back

A lasting attraction between atoms that enables the formation of chemical compounds.

Front

What is a covalent bond?

Back

A type of bond where two atoms share one or more pairs of electrons.

Front

What is an ionic bond?

Back

A type of bond formed when one atom transfers electrons to another atom, resulting in oppositely charged ions.