Atomic Structure

Aristotle, a Greek philospher, thought that .....

• sweet objects had round atoms

• atoms have four protons

• atoms have four elements

The word atom comes from the Greek word ____

• yasou

• Atomos

• feta

• democritus

who developed the periodic table of elements?

• Dimitri Mendelev

• Domnique Mendelev

• Aristotle

• Neils Bohr

The glowing stream in the cathode ray tube appeared when _____

• an electric current was passed through

• magnets were held near the tube

• xrays were being taken

Atomos means ____

• invincible

• invisible

• indivisable

• infinity

The most current model of the atom that's used in modern atomic theory is referred to as

• Bohr model

• Plum pudding model

• solar system model

• apple pie model

An atom that has an Equal numbers of protons and electrons is referred to as

• electrically neutral

• positively charged

• negatively charged

• metastable

Electrons were discovered by _____

• JJ Watt

• JJ Thompson

• JJ Thomas

• JJ Timothy

The atom is made of _ fundamental particles

• 1

• 2

• 3

• 4

What units are used to measure nuclear binding energy?

• mas

• kvP

• MeV

• Ev