Chapter 16 Physical Science - The Atom

How did Democritus view salts/spices?

Democritus believed in what theory?

What rule does an atom follow to be most stable?

Who believed the foundation of life was earth?

When was the continuous theory finally overturned?

Which is the largest subatomic particle?

Who used cathode rays?

Which electrons have more energy?

Who placed electrons in energy orbits?

How did Democritus view solids?

When a large, unstable nucleus breaks apart into smaller, more stable nuclei.

Which type of nuclear decay is two protons and two neutrons

Which type of nuclear decay is a form of electromagnetic energy?

Who discovered a positive nucleus?

What experiment/law finally overturned continuous theory?

Who came up with the plum-pudding model of the atom?

Who came up with the core-envelope model of the atom?

Who believed the foundation of life was air?

The atomic number tells you how many...

Which is the smallest subatomic particle?

Who believed the foundation of life was fire?

Which type of radioactive decay does NOT change an element's identity?

Who used gold foil in their experiment?

Who said it is impossible to know the location and the energy of an electron at the same time?

Who discovered a the neutron?

Which subatomic particle is neutral?

Smashing small nuclei into a larger one

How did Democritus view liquids?

Which subatomic particle is positively charged?

Which subatomic particle is negatively charged?

Who discovered electrons?

Who believed the foundation of life was water?

Which type of nuclear decay releases free nuclear electrons?

Which type of radiation has the highest energy?

Which type of radiation is easiest to block?

Which produces more energy?

What determines the identity of the element?

An isotope of an element has different amounts of...

What is the fundamental electrical charge?

Valence electrons are electrons...