The Periodic Table
Types of Reactions
Balancing Equations
Chemistry Units
Energy Changes
100

What the vertical columns on the periodic table are called

What are families or groups?

100

The type of reaction shown below:

AB ---->  A + B

What is decomposition?

100

Balance the following equation:


___ C + ___ S8 ----> ___ CS2

__4_ C + __1_ S8 ----> __4_ CS2

100

The base unit that measures mass

What is the gram?

100

ΔT stands for this

What is change in temperature?

200

What the horizontal rows on the periodic table are called

What are periods?

200

The type of reaction shown below:

A + B ----> AB

What is synthesis?

200

___ K + ___ B2O ----> ___ K2O + ___ B

_2__ K + __1_ B2O ----> __1_ K2O + _2__ B

200

The base unit that measures energy

What is a joule?

200

A reaction that gives off heat

What is exothermic?

300

The two types of elements found on the periodic chart

What are metals and non-metals?

300

The type of reaction shown below:

AB + C -----> AC + B

What is single replacement (displacement)?

300

___ H3PO4 + ___ KOH ----> ___ K3PO4 + ___ H2O  

_1_ H3PO4 + _3_ KOH ---> _1_ K3PO4 + _3_ H2O  

300

The quantity of a substance that has 6.02 x 10^23 molecules

What is a mole?

300

A reaction that absorbs heat

What is endothermic?

400

The information given by the number of the column on the periodic table

What are the number of valence electrons?

400

The type of reaction shown below:

AB + CD -----> AC + BD

What is double replacement (displacement)?

400

__ H3PO4 + __ Ca(OH)2--> __ Ca3(PO4)2 + _ H2O



      


2 H3PO4+ 3 Ca(OH)2--> 1 Ca3(PO4)2+ 6 H2O


400

The quantity of molecules in 22.4 L of a gas

What is a mole?

400

The type of reaction in terms of energy shown by:

Ca + O2 + 564kJ ----> CaO2

What is endothermic?

500

The information given by the number of the period on the periodic chart

What are the number of orbitals (rings)?

500

The type of reaction shown below:

CHx + O2 ------> CO2 + H2O

Combustion (of a hydrocarbon)

500

__Cu +__HNO3 --->__Cu(NO3)2 + __H2O + ___NO2

__Cu +_4_HNO3 --->__Cu(NO3)2 + _2_H2O + __2_NO2

500

The unit that measures specific heat

What is the J/gC or cal/gC

500

The amount of energy needed to react 2 moles of H2 and 1 mole of O2 in the following equation:

2H2 + O2 ----> 2H2O

ΔH= - 572 kJ

572 kJ