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Unit 1- Combustion, Heat, & Energy
Unit 2A-Atomic Structure
Unit 2B-The Periodic Table
Unit 2C-Chemical Bonding
Unit 2D-Chemical Names & Formulas
100

Define combustion.

A chemical reaction, usually forming heat or light using oxygen.

100

Write a Noble Gas configuration for Ca (Calcium).

[Ar] 1s^2

100

How many valence electrons does nitrogen have?

5

100

Define Octet Rule

Rule that states that atoms will form bonds until it has 8e- in the valence layer of each atom

100

What is the chemical formula for the compound lithium chloride

LiCl

200

What is an endothermic reaction? How does the temperature change?

Absorption of heat, object feels cold to the touch.

200
Contrast orbits and orbitals.

Orbitals are 3D, Orbits are 2D.

200

Name the second group on a periodic table.

Alkali earth metals

200

Contrast Cation and Anion

Cations are positively charged, Anions are negatively charged.

200

What type of compound uses prefixes?

Molecular/covalent

300

What are the 3 mechanisms of heat flow?

Convection, Conduction, Radiation.

300

Define Isotope.

Atoms that have the same #of protons but different #s of neutrons.

300

Create a lewis dot diagram for oxygen

  ..

. O .

  ..

300

Correct this statement:

Ionic bonds have a high melting point, are soluble in water, and do not conduct electricity

Ionic bonds conduct electricty

300

Write the chemical name for N2O4

Dinitrogen tetroxide

400

What state of matter has the highest energy level?

Gas.

400

What is the atomic emission spectra?

The pattern formed when light emitted by an element is separated into the different wavelengths it contains.
400

Name 3 elements in the metalloid line.

B, Si, Ge, As, Sb, Te, At

400

What does the difference of electronegativity between atoms have to be to make a polar covalent bond?

0.4 - 2.0

400

Write the name chemical of Fe2O3

Iron(III) oxide

500

What are the layers of the upper mantle? In which layer does convection occur?

Lithosphere, Asthenosphere.

Asthenosphere.

500

Contrast ground state and excited state of electrons.

Ground state is when an electron is in the lowest possible energy level, excited state is when it's at the highest.

500

What direction does electron affinity increase on the periodic table? (Same as Ionization energy)

Up, left to right

500

How many double bonds does hydrogen have w/ Fluorine?

0

500

Explain when parentheses are required when writing a chemical formula for an ionic compound.

When it contains two or more of the same polyatomic ion