NLN PAX EXAM SCIENCE NEWEST 2026
QUESTIONS and CORRECT DETAILED
ANSWERS ALREADY GRADED A+
atomic number - CORRECT ANSWER-the number of protons in the nucleus of
an atom
element - CORRECT ANSWER-A pure substance made of only one kind of atom
Sublimation - CORRECT ANSWER-solid to gas
Deliquesence - CORRECT ANSWER-The absorption by a substance of water
from the air, so that the substance becomes wet.
What is silicon carbide used for? - CORRECT ANSWER-breaking strong
substances
Average saline level of sea water - CORRECT ANSWER-3.5%
transition metals - CORRECT ANSWER-groups 3-12
,What element is found in all acids? - CORRECT ANSWER-Hydrogen
Allotropes - CORRECT ANSWER-Different forms of the same element
4 states of matter - CORRECT ANSWER-solid, liquid, gas, plasma
carrying capacity - CORRECT ANSWER-The largest population that an area can
support
Community - CORRECT ANSWER-All the different populations that live
together in an area
Population - CORRECT ANSWER-group of individuals of the same species that
live in the same area
Law of Conservation of Mass - CORRECT ANSWER-Matter is not created nor
destroyed in any chemical or physical change
E= mc^2 - CORRECT ANSWER-Energy (e)= mass(m) x speed of light (c)
, -basis is the law of conservation of mass and energy
significant figures (sig figs) - CORRECT ANSWER-all the digits that are known in
a measurement, plus the last digit that is estimated
Kelvin scale - CORRECT ANSWER-theoretical temperature that is the lowest
called absolute zero
absolute zero - CORRECT ANSWER-The temperature at which no more energy
can be removed from matter
What is absolute zero on the Celsius scale? - CORRECT ANSWER--273.150
degrees C
When making use of the system of scientific notation in expressing large
numbers, you need to. . . - CORRECT ANSWER-shift the decimal point until you
have just 2 digits on the left and then show the number of decimal points moves
as the exponent of 10
QUESTIONS and CORRECT DETAILED
ANSWERS ALREADY GRADED A+
atomic number - CORRECT ANSWER-the number of protons in the nucleus of
an atom
element - CORRECT ANSWER-A pure substance made of only one kind of atom
Sublimation - CORRECT ANSWER-solid to gas
Deliquesence - CORRECT ANSWER-The absorption by a substance of water
from the air, so that the substance becomes wet.
What is silicon carbide used for? - CORRECT ANSWER-breaking strong
substances
Average saline level of sea water - CORRECT ANSWER-3.5%
transition metals - CORRECT ANSWER-groups 3-12
,What element is found in all acids? - CORRECT ANSWER-Hydrogen
Allotropes - CORRECT ANSWER-Different forms of the same element
4 states of matter - CORRECT ANSWER-solid, liquid, gas, plasma
carrying capacity - CORRECT ANSWER-The largest population that an area can
support
Community - CORRECT ANSWER-All the different populations that live
together in an area
Population - CORRECT ANSWER-group of individuals of the same species that
live in the same area
Law of Conservation of Mass - CORRECT ANSWER-Matter is not created nor
destroyed in any chemical or physical change
E= mc^2 - CORRECT ANSWER-Energy (e)= mass(m) x speed of light (c)
, -basis is the law of conservation of mass and energy
significant figures (sig figs) - CORRECT ANSWER-all the digits that are known in
a measurement, plus the last digit that is estimated
Kelvin scale - CORRECT ANSWER-theoretical temperature that is the lowest
called absolute zero
absolute zero - CORRECT ANSWER-The temperature at which no more energy
can be removed from matter
What is absolute zero on the Celsius scale? - CORRECT ANSWER--273.150
degrees C
When making use of the system of scientific notation in expressing large
numbers, you need to. . . - CORRECT ANSWER-shift the decimal point until you
have just 2 digits on the left and then show the number of decimal points moves
as the exponent of 10
