química test review

Millikan American physicist (1909)

Atoms joined together form a variety of materials- Democritus

Ernest RutherFord new model states that Proton- positively charged particle inside nucleus (+1)

Democritus was a ___ _philosopher

Thompson Proved that inside the atom exists even smaller particles; divisible

Atoms combine with new atoms to form new substances

The nucleus is the dense part of an atom

Millikan determines the following

Bohrs model discovered orbitals(1 dimensional structure)

Schrödinger discovered orbitals and______

Aristóteles has the following belief

Millikan confirmes that the electron has a negative charge

Bohr said that electrons are ranged following the pattern(2,8,18,32)

The mass of a proton is

Which particle has a charge of 0?

1 of the 2 errors in daltons theory was

Isotope:same element with different mass number# (associated with mass neutrons)

Mendeleef created the Periodic Table organizing elements by atomic weight and predicting properties of unknown elements

Ernest Rutherford new model states

Ernest RutherFord discovered the____

Where are the protons and neutrons located?

Where is the electron located?

Apparent changes in matter result from changes in the groupings of atoms and not from the changes in the atoms-Demo

Aristóteles was a Greek philosopher (384-322 B.C.)

Bohr determined 2 different states of electrons- ground state(near nucleus) and excited state(far from nucleus)

Matter is composed of empty space throughout which atoms move -Democritus

J.J Thompson was a British scientist (1897)

Democritus said that atoms are not moving

According to Schrödinger 3 dimensional structures move on an electron cloud

The periodic table has

The mass of a neutron is

John dalton was a British scientist who was born 1803

Chadwick states that the neutron has the same mass as a proton

James Chadwick was a coworker to_____

Chadwick states that

What is the range pattern Bohr stated?

All atoms are the same size and shapes- Democritus

Millikan determines ___

Neils Bohr is a _____scientist

Ernest Rutherford’s new model states that the nucleus =positive region at center with dense mass

Aristóteles denied the existence of the atom

Daltons Atomic theory contains

Democritus used the name atom=indivisible

The mass of an electron is

Henry Moseley re-arranged the periodic table of mendeleev by increasing numbers,which is the same as atomic number #

Atomic mass:average of the relationship of atom

Thompson discovered the Cathode ray tube which states

Chadwick discovered and proved the existence of the neutron

Thompson discovered the

What did Heisenberg discover?

Democritus proposed that all atoms are small and hard particles made out of only one kind of material

Atoms of the same element are the same

Aristóteles agreed with Democritus’ postulate

Matter is composed of small particles called atoms

The 2nd error in daltons theory was

Thompson discovered the cathode ray tube which also states

Ernest Rutherford was _____ student