Unit 1
Scientific Measurements
Unit
Properties of Matter
Unit 3
Atomic Structure & Nuclear Chemistry
Unit 4a
Nomenclature Test
Unit 4b
100

What kind of glassware do you use to precisely measure a solvent?

A graduated cylinder.

100

Convert –55ºC to the Kelvin scale?



218 ºK

Kelvin = Celsius + 273

100

An atom of Iodine has 53 protons and 55 neutrons. What is its mass number?

Iodine - 108

100

An ionic compound is made of a metal and a ______

non-metal 

Na metal

Cl non-metal 

NaCl

100

What is the oxidation number of an element that is alone?

Always 0

200

Name a piece of quantitative data and qualitative data?

A.) quantitative =

B.) qualitative = 

A.) Quantitative observation is when numbers are included in the observed data, such as:Boiling point is 150 degrees C

B.) Qualitative observation is any data that is a non-numerical quality. Such as: The flower has a long green stem.


200

Give an example of an element?

Give an example of a compound?

An element is on the periodic table. 

Na , H₂ , O₂ ,

A compound is 2 or more elements together. 

NaCl , H₂O , C₁₂H₂₂O₁₁

200

What did Rutherford discover about the structure of the atom?

An atom contains a small, dense, positively charged central region.

200

Name any covalent compound

what are the electrons doing in a covalent molecule?

C₁₂H₂₂O₁₁ (or any non-metal and non-metal)

Molecules / Covalent compounds share electrons

200

Which term describes the change that occurs in the element Chromium, Cr when it bonds to oxygen and becomes the ion Cr+3?

The Chromium was Oxidized.

(or Oxidation )

300

The Sun's diameter is 1,392,000 km. What is this number in scientific notation?

1.392000 * 10^6 km

300

A.) Name an intensive property:

B.) Name an extensive property:

A.) Intensive properties: do not change with size.

- density, color, smell, shape, boiling point.

B.) Extensive properties:  change with size.

- mass, volume, width, length, intensity of smell

300

Who decided to rearrange the periodic table by atomic number? (This is what we use today.)

Moseley.

300

What is the formula for zinc chloride ?

Zn2+ Cl1-

Answer: ZnCl2

300

When an element gains electrons is it 

oxidized or reduced or both?

When an element gains electrons it is Reduced.

OIL RIG

Oxidation is Loss - OIL

Reduction is Gained - RIG

400
Describe accuracy and precision? 

Accuracy - Is hitting the goal target. 

Precision - Is when your values are close together. 

400

If you keep a liquid sample at the same temperature but increase the pressure drastically, the liquid will turn into a...(solid, liquid, gas or plasma)

Solid

400

The Cathode ray experiment was done by an English physicists named J. J. Thomson. Using Cathode ray tubes which particle was discovered?

electron 

400

What is the chemical formula for hydrosulfuric acid? 


H₂S

Here is why:

H ¹⁺      S²⁻

400

__ Fe(s) + __ H2SO4(aq) → __ Fe2(SO4)3(aq) + __ H2(g)

What type of reaction is this?

Single Replacement

Mr Steal Yo Girl

500

When 723,455 g is divided by 90.020 mL, what will the correct number of significant figures in the result be?

5 significant figures

500

Argon, krypton, and xenon are in what family? 

(The name not the number)

Noble Gases 

( He , Ne , Ar , Kr , Xe , Rn )

500

What is the average atomic mass of Titanium, if a sample of Titanium is:
25.60% Titanium-22 and 74.40% Titanium-24?

23.488 amu

500

NaOH(aq)  +  HCl(aq)   -->  NaCl(aq)  +  H₂O(l)
35.00 g         45.00 g              ?              18.00 g

In the above acid base reaction, how much salt was produced?

35.00 + 45.00 = ? +18.00

80.00 = ? + 18.00

80.00 - 19.00 = ? = 62.00 grams

500

What are the balanced coefficients for the following combustion reaction:
__C3H8(l) + __O2(g)  -->   __CO2(g) + __H2O(l)

Answer: 1, 5, 3, 4

1 C3H8(l) + 5 O2(g)  -->   3 CO2(g) +  4 H2O(l)