Chapter 2 - Structure of the Atom

Describe the Dalton Model

solid sphere

Describe the Thomson Model

plum pudding, positives and negatives clumped together

What is the Rutherford Model?

positive nucleus w/ negatives circling in ONE orbit, planetary model

What is the Bohr Model?

solar system model

What is the Schrodinger Model?

electron cloud model

Atoms are mostly ________________

empty space

Which atomic particle has measurable mass?

protons and neutrons

Which atomic particle has negligible mass?

electrons

What is an ion?

a charged particle

more protons = positive charge = __________

cation

more electrons = overall negative charge = ____________

anion

What is an element?

made from one type of atom; can exist as a single atom or as a molecule

Define molecule

combination of more than one

The smallest particle of an element that still posses the characteristics or properties of that element is an ____________

atom

The smallest particle of a compound that still posses the characteristics or properties of that compound is still the ___________

molecule

Which type of molecule bonding involves transferring of electrons?

ionic

Which type of molecule bonding involves sharing of electrons?

covalent

atomic number = number of ___

protons

What is an element's z element?

atomic number

What is atomic mass?

Number of protons and neutrons

Who created the periodic table?

Dmitri Mendeleev

How are atoms arranged in the periodic table?

atomic number

What is binding energy and how is it calculated?

How tightly the electron is held in its shell; how much energy would be needed to remove the electron from the shell

who hold the greatest bidning energy

K shell