Periodic Table

Front

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

Back

atomic number

Front

An element's identity is determined by the number of: electrons, protons, neutrons, valence.

Back

protons

Front

All matter is made of .....

Back

atoms

Front

The atomic number of an element tells the number of _____ in the nucleus of an atom of that element. Options: protons, neutrons, electrons, isotopes

Back

protons

Front

Where is most of the mass of an atom found?

Back

nucleus

Front

Each is an example of matter except: a cloud, air, a dust particle, a beam of light.

Back

a beam of light

Front

An element is made up of only one kind of _____.

Back

atom

Front

Rutherford's experiment showed that most of an atom is made up of _____.

Back

empty space

Front

An element is made up of only one kind of _____. Options: isotope, plastic, atom, metal

Back

atom

Front

What subatomic particles are located in the electron cloud? Options: quarks, protons, electrons, neutrons

Back

electrons