Talking about Chemistry: English Vocabulary List

(science) the smallest part of a chemical element that is found in the nature

"Water is made of one oxygen and two hydrogen atoms."

"An atom consists of a nucleus surrounded by electrons."

the smallest structure of a substance consisting of a group of atoms

"A molecule is very very small."

"A single molecule of water contains two hydrogen and one oxygen atom."

a particle with a net electric charge due to loss or gain of one or more electrons

"An ion has charge."

"An atom becomes an ion when it gains or loses an electron"

to make something change from a particular state, condition or position to another

"We will transition now."

"The company is currently transitioning to a new software system which may cause some temporary disruptions in workflow."

a quantitive mesasure used for determining how acidic or alkanic something is on a scale of 0 to 14

"The pH of pure water is exactly seven."

"The pH scale is a logarithmic measure of a solution's acidity or alkalinity level."