Atomic Theory

Front

All matter is made of what? Options: energy, atoms, electrons, compounds

Back

atoms

Front

Who stated that all atoms of the same element are exactly alike?

Back

Dalton

Front

What scientist is best known for his "Plum Pudding" model of the atom? Options: J.J. Tomson, Ernest Rutherford, John Dalton, Democritus

Back

J.J. Tomson

Front

What is the smallest particle of an element? Options: atom, proton, electron, neutron

Back

atom

Front

An atom's overall charge is ________. Options: positive, depends, neutral, negative

Back

neutral

Front

What is the amu of a neutron?

Back

1

Front

Which scientist disagreed with the idea that atoms existed?

Back

Aristotle

Front

Who was the first person to ever talk about an atom?

Back

Democritus

Front

The weighted average of the masses of all naturally occurring isotopes of an element is

Back

Atomic Mass

Front

This contains most of the mass of an atom

Back

Nucleus