States of Matter
Atoms
Electrons
Atomic Bonds
Chemical Reactions
100

What state of matter has a definite volume and takes the shape of its container? 

Liquid

100

How do you find the number of protons? 

Atomic number

100

Where can electrons be found in an atom? 

Electron cloud 

100

An ionic bond forms between...

A metal and a nonmetal 

100

Chemical reactions have to obey the law of conservation of mass. What is that?

Matter cannot be created or destroyed only transferred into different forms 

200
Which is a physical change and which is a chemical change out of rusting and evaporation? 

Physical change - Evaporation

Chemical change - Rusting 

200

How do you find the number of neutrons? 

Atomic mass - protons

200

What is an ion?

An atom with a charge (gains or loses electrons) 

200

A covalent bond forms between...

A nonmetal and a nonmetal 

200

In a chemical reaction where are the reactants and the products? 

Reactants --> Products

300

What is the difference between a heterogenous mixture and a homogenous mixture? 

Heterogenous - Uneven mixture

Homogenous - Evenly distributed mixture

300

How do you find the number of electrons? 

Protons - Charge number 

300

What are the outside electrons called? 

Valence electrons

300

What is the name of the following compound: K2O? 

Potassium Oxide

300

What kind of reaction is in the form A+B-->AB

Synthesis

400

What can be classified as a pure substance? (2 categories) 

Element and compound

400

Tin-124 is an isotope of tin. How many neutrons does this isotope have? 

124 - 50 (atomic number of tin) = 74

400

An arsenic ion has a charge of 3- and an atomic number of 33, how many electrons does the ion have? 

36

400

What is the formula for Copper(II) Nitride? 

Cu3N2

400

What kind of reaction is in the form A +BC --> B + AC

Single Replacement 

500

What phase changes lose thermal energy? 

Melting, Condensation & Deposition

500

Which elements have the same properties?

Elements in the same group (column) 

500

If Strontium has a 2+ charge and an atomic number of 56, how many electrons does the ion have

54

500

What is the name for the following compound N3O5?

Trinitrogen pentoxide

500

What kind of reaction is in the form AB + CD --> AD + CB ? 

Double replacement