NLN PAX science EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS

EXAM

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NLN PAX EXAM SCIENCE Cartes 2026 A+ GRADE ASSURE
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D COMPLETE SOLUTIONS AND VERIFIED ANSWERS (6F6
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QUESTION 1 vc




E= mc^2
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ANSWER

Energy (e)= mass(m) x speed of light (
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c) -basis is the law of conservation of mass and energy
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QUESTION 2 vc




significant figures (sig figs) vc vc vc




ANSWER

all the digits that are known in a measurement, plus the last digit that is estimated
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QUESTION 3 vc




Kelvin scale vc




ANSWER

theoretical temperature that is the lowest called absolute zero
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QUESTION 4 vc




absolute zero vc




ANSWER

The temperature at which no more energy can be removed from matter
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,QUESTION 5 vc




What is absolute zero on the Celsius scale?
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ANSWER

-273.150 degrees C vc vc




QUESTION 6 vc




When making use of the system of scientific notation in expressing large numbers, you n
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eed to. . .
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ANSWER

shift the decimal point until you have just 2 digits on the left and then show the number of decimal poin
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ts moves as the exponent of 10
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QUESTION 7 vc




precision
ANSWER

a measure of how close a series of measurements are to one another; indication of the realism or possib
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ility of a given measurement
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QUESTION 8 vc




accuracy
ANSWER

gives an indication of the proximity of a measurement to its known or accepted value
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QUESTION 9 vc




Law of Conservation of Energy
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ANSWER

Energy cannot be created or destroyed but can only be changed from one form to another
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QUESTION 10 vc




anabolism
ANSWER

Constructive metabolism; the process of building up larger molecules from smaller ones.
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, QUESTION 11 vc




Catabolism
ANSWER

Metabolic pathways that break down molecules, releasing energy.
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QUESTION 12 vc




What is most abundant element in Earth's crust?
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ANSWER

Oxygen



QUESTION 13 vc




law of definite proportions
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ANSWER

the elements that make up a single chemical compound have weight proportions that are fixed and cons
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tant



QUESTION 14 vc




Pauli Exclusion Principle
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ANSWER

in any particular molecule, two electrons CANNOT have a different four-quantum-number set
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QUESTION 15 vc




Atomic theory vc




ANSWER

a theory that states that all matter is composed of tiny particles called atoms.
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QUESTION 16 vc




An element's atoms. . .
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ANSWER

are similar in weight, and the weight depends on the type of atom
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