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Actually Chem Test

QuestionAnswer
Alloy When you mix two elements.
Balance Equal numbers of atoms of both sides of chemical equation
Best line fit Represents the data points on a scatter plot
Counting Number Positive whole number used to indicate the quantity of atoms molecules or particles in a substance
Decimal Place Position of a digit to the right of point
Density Mass of a substance per unit volume
Density Equation M/V
Dimensional analysis Converting units
Electronic Balance Measures the mass of a substance
Exact Number Value that is known no uncertainty
Graduated cylinder Tall narrow cylinder measures volume of liquids
Increment Smallest marked division on a measuring instrument
Major Scale Primary set of numbered markings
Mass Amount of matter contained in an object
Meniscus Bottom of the line
Minor Scale In between the major scale
Number and unit a measurment
Objective (measurement) Observation based on measurable facts
Observation Using your five senses
Precision Repeatability of a set of measurements
Qualitative Measurement Quality characteristics of a substance
Quantitative Measurement Measurement expresses quantity using numbers
rules or +- Last decimals place
Rules for multiplying an dividing Count sig figs
What is the Si System International system of units
Slope Rise/run
Subjective (observation) Based on personal opinions
Tare Resetting the balance
Uncertainty Estimated amount
Volume Amount of space that a substance or object occupies
Water Displacement Measuring the volume of an irregularly shaped object
Weight Force exerted on an object due to gravity
Created by: sydneymiller!!!
 

 



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