Atoms & Elements

Front

The positive particles of an atom are ___________.

Back

protons

Front

The center of an atom where its neutrons and protons are is called the _____________.

Back

nucleus

Front

Which is the smallest subatomic particle in an atom made up of protons, neutrons, and electrons?

Back

Electron

Front

In the modern periodic table, elements are arranged by: atomic mass, atomic number, valence electrons, number of isotopes

Back

atomic number

Front

Which is an electron? Options: A, B, C

Back

A

Front

The smallest part of any element. Made up of protons, neutrons and electrons.

Back

Atom

Front

Identifies the number of protons in an atom's nucleus.

Back

Atomic Number

Front

The region inside an atom where electrons are likely to be found

Back

Electron Cloud

Front

The total number of protons and neutrons in the nucleus of an atom

Back

Mass Number

Front

The particles in the nucleus of an atom that do not have a charge (neutral)

Back

Neutron