Chemistry Semester #1

Front

What is the little number after an element in a chemical equation called?

Back

Subscript

Front

Which element is located in group 3, period 2?

Back

Boron

Front

Based on chemical properties, iodine (I) belongs in the same group as ___?

Back

Bromine and Chlorine

Front

What is the definition of ELECTRONEGATIVITY?

Back

The ability to ATTRACT electrons.

Front

What does the arrow in a chemical equation represent?

Back

Yields

Front

What is a Coefficient in a chemical equation?

Back

A number placed in front of a compound to indicate how many molecules are present.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between an element and a compound?

Back

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

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number and grouped by similar properties.

Front

What is an ion?

Back

An atom or molecule that has gained or lost one or more electrons, resulting in a net charge.