Ch. 2 Vocabulary Quiz

What is the basic unit of matter?

What is the center of an atom, which contains the protons and neutrons?

What is a negatively charged particle located in the space surrounding the nucleus?

What is a pure substance that consists entirely of one type of atom?

What is one of several forms of a single element, which contains the same number of protons but different number of neutrons?

What is a substance formed by the chemical combination of two or more elements in definite proportions?

What is a chemical bond formed when one or more electrons are transferred from one atom to another?

What is an atom that has a positive or negative charge?

What is the type of bond between atoms in which the electrons are shared?

What is the smallest unit of most compounds that displays all the properties of that compound?