Trimester 1 Final

Vocabulary

100

the building blocks of matter are 

atoms  

200

Anything that has mass and takes up space (volume) is the definition of ________

matter 

300

Two or more atoms of DIFFERENT kinds bonded together are called 

compound molecules 

400

rows on the periodic table are called 1. __________

columns on the periodic table are called 2. _____

1. periods

2. groups or families 

500

All of the elements in CHNOPS are _______. 

Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur

Theorists

100

Philosopher who believe that atoms were really the elements earth, wind, fire, and water. 

aristotle 

200

This theorist discovered the nucleus of the atoms through his famous gold foil experiment. 

earnest rutherford 

300

This theorist is the father of the plum pudding model which describe atoms as positive spheres filled with negative electrons

JJ Thompson 

400

This theorist is the father of the most common atomic model we use in chemistry. It depicts electrons in specific energy levels 

neils bohr 

500

This philosopher invented the word atomos which means uncuttable because he believed atoms could not be created or destroyed - which become the foundation for the Law of Conservation of Matter

Democritus 

Bonding

100

In covalent bonds electrons are _________ 

shared 

200

Covalent bonding occurs between _______ and ______

non-metals and non-metals 

300

The rule that states that all elements want to bond in order to become stable like noble gases with a set of 8 electrons is called the ______ rule 

octet 

400

A covalent bond that occurs between atoms of very different sizes, sharing different numbers of electrons, which results in a slightly positive and negative charges is called _____

polar bond 

500

Water is considered a _________ covalent bond 

polar. 

Periodic Table

100

The most stable group on the periodic table is 

noble gases 

200

The father of the periodic table was named ____. 

dmitri mendeleev

300

The largest mostly metal group on the periodic table is called the ______________

transition metals 

400

Group 1 _________ and group 7___________ are the two most reactive families on the periodic table and they often bond with each other to form compound molecules. 

halogens and alkali metals 

500

The two rare earth families that are radioactive and often man made are called ________ and _______

lanthanides and actinides 

Atomic Structure

100

Positive subatomic particles are called 

protons 

200

Neutral sub-atomic particles are called ________ 

neutrons

300

The outermost electrons in bohr models and dot diagrams are called _______   ________

valence electrons 

400

If the atomic mass of oxygen is 16.8 and its atomic number is 8 how many neutrons does it have? 

9

500

The shorthand way to indicate the name of an element is called? 

atomic symbol or chemical symbol