Chemistry Review Flashcardizz

Front

What is the chemical symbol for Zinc?

Back

Zn

Front

What is the chemical symbol for Helium?

Back

He

Front

How many electrons does an Iodine atom have?

Back

53

Front

What are biochemical elements?

Back

Elements needed for life to exist, including Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorous, and Sulfur.

Front

What is all matter made of?

Back

Atoms.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

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.

Front

What is the periodic table?

Back

A table that organizes all known elements based on their atomic number and properties.

Front

What is an ion?

Back

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