Atoms and Periodic Table Flashcard

Front

What is the smallest unit of matter that retains its chemical properties?

Back

Atom

Front

What type of charge does an electron carry?

Back

Negative (-)

Front

Who first organized the elements by increasing atomic mass?

Back

Dmitri Mendeleev

Front

Can atoms be divided by simply cutting them in half?

Back

False

Front

What four elements were originally thought to make up all objects?

Back

Earth, Wind, Fire, Water

Front

What is the center of an atom called?

Back

Nucleus

Front

What particles are found in the nucleus of an atom?

Back

Protons and Neutrons

Front

What is the charge of a proton?

Back

Positive (+)

Front

What is the charge of a neutron?

Back

Neutral (0)

Front

What is the periodic table?

Back

A chart that organizes all known elements by increasing atomic number.