Chemistry 9-10

Elemental

100

What is the element Ag

Silver

200

Name the element K

potassium

300

Name two noble gases

Helium , Neon, Argon, Krypton, Xenon, Radon, Oganesson

400

Name 2 elements from the alkali metals

Lithium, Sodium, Potassium, Rubidium, Cesium, Francium

500

What is the group name for the elements Fluorine, Chlorine, Bromine, Iodine, Astatine, Tennessine

The Halogens

Compounds

100

Name the following: 

CaCl₂

Calcium Chloride

200

Name the following:

Ag₂SO₄

Silver (I) Sulfate

300

Write the compound for the following:

dinitrogen trioxide

N₂O₃

400

Name the following acid:

HI

hydroiodic acid

500

Tell the difference between ionic bonds and covalent bonds

Ionic - transfer electrons and stay together because of opposite charges

Covalent - share electrons between them

Balancing

100

Balance the following elements in a compound

Strontium and Nitrogen

Sr₃N₂

200

Balance the following polyatomics in a compound:

Ammonia and Phosphate

(NH₄)₃PO₄

300

Balance the coefficients in the chemical reaction:

PCl₅ + H₂O --> H₃PO₄ + HCl

1, 4, 1, 5

400

Finish and balance the following chemical reaction:

CaCl_{2 +} Na₃PO₄ -->

3CaCl_{2 +} 2Na₃PO₄ --> Ca₃(PO₄)_{2 +} 6NaCl

500

Explain the law of conservation of mass

Matter (mass) is neither created or destroyed in a chemical reaction.

Mass of the reactants = Mass of the products

Types of Reactions

100

P₄ + 3 O₂ --> 2 P₂O₃ 

Synthesis

200

Na₃PO₄ + 3 KOH -->3 NaOH + K₃PO₄

Double Replacement

300

C₃H₆O + 4 O₂ --> 3 CO₂ + 3 H₂O

Combustion

400

CaCO₃ --> CaO + CO₂

decomposition

500

Tell what the chemical before the arrow are called and then what the chemicals after the arrow are called (in that order)

Reactants, Products

Solubility

100

Tell the state of H₂O at room temperature.  Please write it how you would in a chemical reaction.

H₂O (l)

200

Write the following compound with the proper solubility term (write like how you would in a chemical equation)

Calcium Hydroxide

Ca(OH)₂ (s)

300

What does ppt stand for and would it be classified as insoluble or soluble

precipitate = insoluble

400

Write ammonium nitrate as a compound and include its solubility bracket.

NH₄NO_{3 (aq)}

500

When you did your spot test lab a reaction between sodium acetate and potassium chromate turned bright highlighter yellow.  Tell what compound precipitated.

No precipitate formed, both components soluable.