Matter
Periodic Table
Chemical Bonding & Naming
Reactions, Acids, Bases, pH
Nuclear Chemistry
100

What are the states of matter?

solid, liquid, gas, plasma

100

What are most elements classified as on the periodic table?

Metals

100

What bond is made between a metal and nonmetal?

Ionic bond

100

What side of a chemical equation do you find the products and reactants?

Products: right

Reactants: left

100

What element is also known as an alpha particle?

Helium

200

What's the difference between a homogenous and heterogeneous mixture?

Homogeneous: evenly mixed, difficult if not impossible to separate

Heterogeneous: not evenly mixed, little energy to separate

200

What group on the periodic table is the least reactive?

Group 18, Noble Gasses

200

What type of compounds requires the use of prefixes when writing the name?

Covalent compounds

200

Name the 5 reaction types?

Synthesis, Single replacement, Double replacement, Decomposition, Combustion

200

What is an isotope?

Atoms with the same number of protons in the nucleus but a different number of neutrons.

300

What's the difference between a compound and a molecule?

Compound: combination of different elements that have new and unique characteristics

Molecule: a combination of 2 identical atoms

300

What are the horizontal and vertical row on the periodic table called?

Horizontal: periods

Verticle: groups

300

What is the name of Si2S7?

Disilicon heptasulfide

300

What is the relationship between pH and pOH in a solution?

pH + pOH = 14

300

What are the two types of nuclear reactions that can occur in the nucleus of an atom? Give an example where each is found or how it is used.

Fission & Fusion

Fission: Nuclear reactors

Fusion: The sun

400

Give one real world example of a physical and chemical change.

Chemical change: anything burning, rusting, chemical reaction

Physical change: ice melting, water boiling, paper tearing, wood splitting, glass breaking

400

What particle(s) make up the atomic number? What particle(s) make up the atomic mass?

Atomic number: protons

Atomic mass: protons + neutrons

400

What is the name of the compound CaF2?

Calcium fluoride

400

When you mix and acid and a base in a neutralization reaction, what products will you get?

A salt and water (H2O)

400

What are the three types of radioactive decay? Which is most intense? Which is the least intense?

Alpha, Beta, Gamma

Most: Gamma

Least: Alpha

500

What makes sublimation and deposition unique?

They both skip the liquid phase in their phase change.

Sublimation: solid to gas (dry ice CO2)

Deposition: gas to solid (water vapor to frost)

500

What do groups and periods tell us about an element?

Groups: Valence electrons

Periods: Energy levels

500

What is the difference between covalent and ionic bonds?

Covalent bonds: atoms share valence electrons

Ionic bonds: atoms gain or lose valence electrons to create ions

500

What do acids and bases produce when dissolved in water?

Acids: H+ (Hydrogen ions)

Bases: OH- (Hydroxide ions)

500

What is a half-life?

The time it takes for half of a radioactive sample to decay.

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