Atomic Theory and Atomic Structure Flashcard

Front

What is the correct order of scientists in order of their work related to the atomic theory from earliest to most recent?

Back

Democritus, John Dalton, JJ Thomson, Ernest Rutherford.

Front

How many neutrons does the isotope of lithium have?

Back

5

Front

Who developed the planetary model of the atom?

Back

Bohr

Front

What is a negative ion called?

Back

anion

Front

What is a positive ion called?

Back

cation

Front

What is the smallest unit of an element that retains its properties?

Back

atom

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons.

Front

What charge does a proton carry?

Back

Positive charge.

Front

What charge does an electron carry?

Back

Negative charge.

Front

What is the nucleus of an atom composed of?

Back

Protons and Neutrons.