The Atom
Electrons
Chemical Bonds
Chemical Reactions
Random
100

What is the charge of a neutron?

0

100

How many electrons does Po have?

84

100

What is the difference between intermolecular and intramolecular?

Inter: between molecules 

Intra: within the same molecule

DOUBLE POINTS

100

What are the 5 types of chemical reactions?

Single Replacement, Double Replacement, Combustion, Synthesis, Decomposition

100

Identify the molecular shape for a diatomic element like H2.

Linear

200

What is group 17 called on the periodic table?

Halogens

200

What is a cation? Give an example.

Positively charged atom. DOUBLE POINTS

200

What are electrons doing within ionic bonds?

Being taken to create ions of opposite charges.

200

Na2S + 2Li 🡪 Li2S + 2Na 

What would be the classification for this reaction?

Single Replacement

200

What is the difference between nuclear fission and fusion?

Fission: atoms splitting, can happen on earth, releases energy

Fusion: atoms combining, happens in stars, requires energy

STEAL 100 POINTS FROM THE NEXT TEAM

300

What is the identity of an atom in the halogens that weighs 294 amu?

Lv

300

What is the oxidation number for S?

2-

300

Which bond is stronger, ionic or covalent bonds?

Ionic bonds

DOUBLE POINTS

300

Would substance A be a reactant or product? When does the reaction reach equilibrium? 

Reactant, 2.5 min

300

What is stored within ionic and covalent bonds?

ENERGY
400

What is the identity of at atom that has 24 protons, 25 neutrons, and 22 electrons?

Chromium (II) or Cr2+

400

What is the electron configuration in noble gas notation for Sr?

[Kr]5s2

400

What are the three types of intramolecular bonds? How are they different?

Ionic: between metal + nonmetal

Covalent: nonmetals

Metallic: between metals

400

Balance the following reaction: Fe(s) + H2O(g) ⇌ Fe3O4(s) + H2(g) 

3Fe(s) + 4H2O(g) ⇌ Fe3O4(s) + 4H2(g)

400

What theory explains that atoms must collide at a specific velocity and orientation to cause a chemical reaction in which bonds form and break?

Collision Theory

500

What is the atom with the highest electronegativity? What is its oxidation number? Is it a cation or anion?

F1- Anion

500

What is the electron configuration for Ca?

1s22s22p63s23p64s2

500

Which type(s) of intermolecular force occurs between molecules that contain H, F, O, N?

H-bonding

500

According to Le Chatelier’s principle, if more water was added to the following reaction at equilibrium, what will happen?

3Fe(s) + 4H2O(g) ⇌ Fe3O4(s) + 4H2(g)

Forward reaction would be favored

STEAL 200 POINTS FROM ANOTHER TEAM

500

How could you increase the rate of a chemical reaction to increase collisions between molecules?

Increase temperature

Increase surface area

Add a catalyst