Atoms and Elements Vocab Flashcard

Front

Elements arranged in vertical columns of the periodic table that share the same properties form _____________.

Back

groups, group

Front

Anything that has mass and takes up space.

Back

matter

Front

The basic unit of an element, this makes up all matter.

Back

atom

Front

Elements that share properties of both metals and nonmetals are:

Back

metalloids

Front

Characteristics of elements that help identify what they are

Back

properties

Front

The center of an atom, containing protons and neutrons, is called the _____________.

Back

nucleus

Front

The positively charged particles in an atom are called _____________.

Back

protons

Front

The negatively charged particles that orbit the nucleus of an atom are called _____________.

Back

electrons

Front

Atoms of the same element that have different numbers of neutrons are called _____________.

Back

isotopes

Front

The horizontal rows of the periodic table are known as _____________.

Back

periods