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Periodic Trends
Moles
Covalent Bonds
Balancing Equations
Electron Configuration
100

What is the name of the element found in Group 13, Period 3 on the periodic table?

Aluminum

100

What unit is used to count Atoms and Particles?

A mole

100

What type of elements do covalent bonds usually form between, Metals or Nonmetals?

Nonmetals

100

What is the number placed in front of the Chemical Equation?

Coeffient

100

What energy level is filled first in every atom?

1s

200

What is the periodic trend for electronegativity?

Increases going left to right, and decreases going down.

200

What value, found on the periodic table, is used to convert grams to moles?

Atomic Mass/Molar Mass

200

What term describes a covalent bond where the electrons are shared equally?

Nonpolar Covalent Bond

200

What law states that matter cannot be created nor destroyed?

Law of Conservation of Mass

200

What is the maximum number of atoms that can be in the first ring?

2

300

Rank the following elements by increasing atomic radius: Aluminum, Oxygen, Potassium, Carbon

Oxygen < Carbon < Aluminum < Potassium

300

What is this number called? 6.02 x 1023

Avogadro's Number

300

What type of covalent bond holds two oxygen atoms together?

Double Covalent Bond

300

How many oxygen atoms are in the product? 4 Fe + 3 O₂ → 2 Fe₂O₃

6

300

What is the number of electrons that can fit in a p sublevel?

6

400

As nuclear charge increases over a period, what decreases?

Atomic Radius

400

What is the mass of 1.5 × 10²⁴ molecules of carbon dioxide?

110 (approx.)

400

What is a Lewis Dot Model?

A model that shows how atoms are connected in a molecule using shared electron pairs

400

What is the coefficient for H2O in this equation? CH₄ + 2 O₂ → ___ CO₂ + ___ H₂O

2

400

What is the full electron configuration of oxygen?

1s² 2s² 2p⁴

500

What explains why electrons in inner shells reduce the attraction felt by valence electrons?

Electron Shielding

500

What is the number of moles in 9.03 × 10²³ atoms of copper?

1.50 (approx.)

500

What type of molecule is CO2 considered due to its shape?

Nonpolar 

500

Balancing the equation. Al(OH)3 + H2CO3 --> Al2(CO3)3 + H2O

2 Al(OH)3 + 3 H2CO3 --> 1 Al2(CO3)3 + 6 H2O

500

What is the number of unpaired electrons in nitrogen?

3