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Study these flashcards

- Delaware
- Padua Academy High School
- Honors Chemistry
- Fundakowski
- Chapter 1 Test

Emily E.

• 21

cards
How is a mixture that is the same throughout classified?

Homogeneous (solution)

How is a mixture that has visible evidence of multiple components classified?

Heterogeneous

What is a particle?

A single unit of a substance: either one atom or two or more chemically bonded atoms.

What is the official measurement system of the scientific community?

International System of Units (SI)

What are the advantages of SI?

It is both a metric (size of units goes up or down by powers of ten) and a decimal (fractional units expressed in decimals) system.

What are the seven fundamental physical quantities which can be measured, and what are the units used to measure them?

Length (meter), mass (kilogram), temperature (Kelvin), time (second), amount of substance (mole), electric current (ampere), luminous intensity (candela)

All measurements are defined by a conceptual definition except which?

What are the benefits of conceptual definitions for measurement?

What are the problems with a standard unit definition for measurement?

What is the metric conversion table?

What is the formula for converting Celsius to Fahrenheit?

What is the formula for converting Fahrenheit to Celsius?

What is the formula for converting Celsius to Kelvin?

Which do scientists prefer, quantitative or qualitative measurement?

What is the accuracy of a measurement based upon?

What is the precision of a measurement based upon?

What is the difference between accuracy and precision?

In what situations do zeros count as significant figures?

In what situations do zeros NOT count as significant figures?

What rule must be followed when adding or subtracting significant figures?

What rule must be followed when multiplying or dividing significant figures?

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