Chemistry Ch. 1 & 2

Vocabulary

100

The quantity of matter in a given sample of a substance.

What is Mass

200

A substance that can be measured and observed without changing the composition or identity of a substance.

What is Physical Property

300

A factor that a researcher changes or controls in an experiment to test its effects on another factor (X-axis).

What is the Independent Variable

400

The difference between a measured value and the true or accepted value.

What is Error

500

Refers to data retrieved from general observations about a model or system, not numbers.

What is Qualitative Data

Metric Conversions

100

1,000 mL -> ____ L

1 L

200

1000 cm -> ___ m

10 m

300

1 kg -> ____ mg

1,000,000 mg

400

0.000001 km -> ____ mm

1 mm

500

4 DaL -> ___ dL

400 dL

Elements, Compounds, and Mixtures

100

Table Salt dissolved in water

What is a (homogeneous) mixture

200

Platinum

What is an element

300

Steel

What is a (Homogeneous) Mixture

400

Butane

What is a compound (C₄H₁₀)

500

Arsenic

What is an element

Scientific Notation and Standard Notation

100

Express 134,000 in scientific notaion

1.34 x 10⁵

200

Express the following number in standard notation:

1.6732 x 10⁶

1,673,200

300

Express 0.0032403 in scientific notation

3.2403 x 10^-3

400

Express the following number in standard notation:

9.452 x 10^-8

0.00000009452

500

Express 12,345,678,987,654,321 g in scientific notation

1.2345678987654321 x 10¹⁶ g

Significant Figures

100

Express the amount of significant digits in the following number:

3506

What is four significant digits

200

Express the amount of significant digits in the following number:

1,000

What is one significant digit

300

Express the amount of significant digits in the following number:

0.00034

What is two significant digits

400

Express the amount of significant digits in the following number:

1,000,001

What is seven significant digits

500

Express the amount of significant digits in the following number:

0.0102300

What is six significant digits

Significant Figures Equations

100

Solve for the equation and round to the appropriate significant digit:

4.5 + 2.11

What is 6.6

200

Solve for the equation and round to the appropriate significant digit:

4.23 x 0.036

What is 0.15

300

Solve for the equation and round to the appropriate significant digit:

43.241 x 2.02

What is 87.3

400

Solve for the equation and round to the appropriate significant digit:

43.2 + 0.500 x 2.35

What is 44.4

500

Solve for the equation and round to the appropriate significant digit:

8.04 + 30.0 x 0.275

What is 16.29