Show:
Matter and Energy
Atomic Structure
Periodic Table
Bonding
Naming, Formulas, and Equations
100

What are the four types of matter?

Elements, compounds, homogeneous mixtures, heterogeneous mixtures

100

What are the elements on the Periodic Table organized by?

Increasing atomic number

100

What is one group on the periodic table that contains metals, nonmetals, and metalloids?

Group 14, 15, or 16

100

Which bond is more polar: C-N or O-F

O-F

100

What are the reactants of this single replacement reaction?

Zn + 2HCl -> ZnCl2 + H2

Zn + 2HCl

200

A mixture of water and alcohol is able to be separated by distillation.  What physical property does distillation separate based on?

Boiling point

200

Why are atoms neutral?

The number of protons equals the number of electrons

200

Which group of the periodic table contains all three states of matter?

Group 17

200

Compare the polarity of a H-N bond to an O-O bond.

H-N is a polar bond, O-O is nonpolar

200

What is the formula of the compound iron (II) oxide?

FeO

300

What three phase changes are exothermic?

Solidification, condensation, and deposition

300

What is an electron configuration that represents a sodium atom in the excited state?

2-7-2

2-7-1-1

1-8-2 etc.

300

What are allotropes?  

Two types of the same element with different molecular structure and different properties
300

Describe the polarity of the molecule CH3F.

Polar

300

What type of reaction is this?

2NaCl + MgBr2 -> 2NaBr + MgCl2

Double replacement

400

How much heat energy is required to completely melt 30 grams of solid H2O at 0oC?

10,020 Joules

400

What is the electron configuration for the element in period 3 and group 16?

2-8-6

400
What are the seven diatomic elements?

H, N, O, F, Cl, Br, I

400

In terms of intermolecular forces, explain why H2O has a higher boiling point than CH4.

H2O has stronger intermolecular forces (Hydrogen bonds)

400

What is the correct name for the compound TiCl3?

Titanium (III) chloride

500

Given this reaction: Cl2 -> Cl + Cl

What happens with the energy and bonds during this reaction?

Energy is absorbed and a bond is broken

500
Why are Cl-35 and Cl-37 isotopes of each other?

They have the same number of protons, but different number of neutrons

500

What is the general trend in atomic radius and electronegativity as the elements of Period 3 are considered in order of increasing atomic number?

Atomic radius decreases and electronegativity increases

500

What are possible properties of the compound CHN based on the types of bonds it contains?

Soft solid

Low melting and boiling points

Does not conduct electricity

500

Balance this equation: P4 + Cl2 -> PCl3

P4 + 6Cl2 -> 4PCl3