Electron dot my Lewis Structure
Ionic or Covalent Bond?
Chemical Formulas
Hydrogen Bond my Water
Acids, Bases, and pH
100

Electrons in the outermost energy level of atom

What is a valence electron?

100

Transfer of electrons from one atom to another

What is an ionic bond?

100

Number of oxygen atoms in H2SO4 

What is 4 atoms of oxygen?

100

Partial charge on the oxygen side of a water molecule

What is a partial Negative charge?

*oxygen pulls the shared electrons closer resulting in an UNEVEN sharing of electrons with hydrogen.


100

pH below 7

What is an acid?

200

The Alaki Metals or Group 1 elements on periodic table

Which elements have 1 valence electron?

200

Sharing of electrons between 2 atoms

What is a covalent bond?


200

Three molecules of carbon dioxide

What is 3CO2?

200

Weaker bond formed between the negative end of one water molecule and the positive end of another water molecule

What is a Hydrogen Bond?

200

pH above 7

What is a base?

50 point Bonus: What do we call a substance with a pH = 7?  Can you give an example?


300

The Lewis structure or electron dot diagram for Chlorine


What is 

300

Bond between a metal (like Na) and a nonmetal (like chlorine)



What is an ionic bond?

300

Number of Elements in one molecule of SiH2Cl2 

What is 3: Si (silicon), H (hydrogen), and Cl (chlorine)? 

50 point Bonus:  How many atoms of chlorine in 1 molecule of SiH2Cl2?

300

Property of water that prevents large swings in temperature; water can absorb a lot of heat before changing temp.

What is high specific heat or heat capacity?

300

Another name for hydronium ions (H3O+)

What is Hydrogen (H+) ions?


50 point Bonus:  What scale is based off of the concentration of hydronium ions?

400

The Lewis dot structure or electron dot diagram of nitrogen

What is 

400

Bond between 2 nonmetal atoms, like hydrogen and hydrogen, or a nonmetal and metalloid.

What is a covalent bond?

400

Number of elements and atoms in (NH4)2SO4

What is 4 elements:(NH4)2SO4

N = 2 atoms

H = 8 atoms

S = 1 atom

O = 4 atoms

400

Property of water that allows ice to float

What is low ice density?  Water is LESS Dense in solid form.

400

Acid-base indicators measure this ion concentration.

What is the Hydrogen (H+) ion concentration?

500

Number of electrons nitrogen needs to gain a stable outer electron shell

What is 3 electrons?

500

Bond with UNEVEN sharing of electrons

What is a polar covalent bond?

500

If an element does NOT react with water, does that mean it is an unreactive noble gas.  Explain.


500

Property of water where water is attracted to other polar and charged molecules.

 

What is Adhesion?

500

Adding more hydrogen (H+) ions to a solution increases its????

What is acidity?


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