Review Chemistry

The atom

100

The subatomic particles of the atom

What is protons, neutrons, and electrons

200

The subatomic particle that determines the elements identity

What is the proton

300

The name on the periodic table that stands for the number of protons

What is the atomic number

400

The name of the energy given off by the movement of electrons

What is electromagnetic radiation (light)

500

The atomic mass stands for this

What is the weighted average of the isotopes

The nucleus

100

This subatomic particle stabilizes the nucleus

What is the neutron

200

The name of atoms with different number of neutrons

What are isotopes

300

The name of the energy given off by the nucleus when the nucleus is not stable

What is nuclear radiation 

400

The name of the radiation when two protons and two electrons are emitted from the nucleus.

What is alpha decay

500

After 226-Ra undergoes Beta-minus decay, this element is formed.

What is Actinium 

Bonding

100

The subatomic particle that is used in bonding

What is the electron

200

The name of the bond created by the giving off of an electron

What is an ionic bond

300

The bond that holds NO₂ together

What is a covalent bond

400

This is the correct formula for Iron (III) Carbonate

What is Fe₂(CO₃)₃

500

The name of the bond where cations are in a "sea of electrons"

What is a metallic bond

Reactions

100

The classification of this reaction (name the type of reaction)  

MgF₂ + K₂S --> MgS + 2KF

What is a double displacement reaction

200

The products of this reaction:

Ag₃(PO₄) + MgI₂ -->

What is 

AgI + Mg₃(PO₄)₂

300

This reaction would occur and why? (choose A or B)

a. NaCl_{(aq) +} CaBr_{2 (aq)} --> NaBr_(aq)  + CaCl_2(aq)

b. KCl _(aq)+ Li₂(CO₃) _(aq) --> LiCl _(aq) + K₂CO_3(s)

What is B because it forms a solid

400

The completed, balanced reaction is... 

BaS + Al(PO₄) -->

What is

3BaS + 2Al(PO₄) -->1Ba₃(PO₄)₂ + 1Al₂S₃

500

The products of this decomposition reaction are:

Mg(ClO₃)-->

What is 

MgCl₂ + O₂

Stoichiometry

100

How many molecules are in 1 mole of substance

6.022x10²³ molecules

200

This is the molar mass of Manganese (II) Sulfite

What is 135 grams/mole

300

The number of moles of CuCl₂ in 56 grams CuCl₂

What is 0.416 moles CuCl₂

400

If 23 grams of iron (II) chloride reacts with 41 grams of sodium phosphate this many moles of sodium chloride can be formed.

What is 0.362 moles NaCl

500

If 23 grams of iron (II) chloride reacts with 41 grams of sodium phosphate, how much excess reactant remains in moles?

What is 0.129 moles Na₃PO₄