Abeka Chemistry Test 3Exam questions and
answers Graded A+
atoms - ✅✅the smallest particles into which an element may be broken down
without changing the identity of the element
1 torr - ✅✅1 millimeter of mercury =
atomic number - ✅✅What is the number of protons in an atom?
760 torr - ✅✅What does the standard atmosphere equal?
carbon-12 - ✅✅What isotope is the atomic mass unit defined relative to?
10^-6s - ✅✅What is a microsecond?
hypothesizing - ✅✅the step of the scientific method that involves thinking
about nature to develop an idea about how something works
273.15 K and 760 torr - ✅✅What is standard temperature and pressure?
6.022x10^23 - ✅✅How many atoms are in exactly one mole of atoms?
-273.15 C - ✅✅Which of the following temperatures equals 0 K?
, barometer - ✅✅instrument used to measure atmospheric pressure is the
pressure - ✅✅the amount of force exerted upon a surface per unit of area is
liquid - ✅✅particles have enough energy to move freely but not enough energy
to overcome their attraction for each other in what state of matter?
accuracy - ✅✅How closely a measured value matches the actual value is
nucleus - ✅✅the dense central portion of an atoms is called the
Avogadro's number - ✅✅the link between the microscopic and macroscopic
levels of chemistry is
CuCl2 - ✅✅formula of Copper(II) chloride
28 g/mol - ✅✅What is the molar mass of diborane (B2H6)?
Avogadro's law - ✅✅Which law implies that, at constant temperature and
pressure, the molar volume of an ideal gas is constant?
4 - ✅✅How many significant figures does the number 68,080 have?
answers Graded A+
atoms - ✅✅the smallest particles into which an element may be broken down
without changing the identity of the element
1 torr - ✅✅1 millimeter of mercury =
atomic number - ✅✅What is the number of protons in an atom?
760 torr - ✅✅What does the standard atmosphere equal?
carbon-12 - ✅✅What isotope is the atomic mass unit defined relative to?
10^-6s - ✅✅What is a microsecond?
hypothesizing - ✅✅the step of the scientific method that involves thinking
about nature to develop an idea about how something works
273.15 K and 760 torr - ✅✅What is standard temperature and pressure?
6.022x10^23 - ✅✅How many atoms are in exactly one mole of atoms?
-273.15 C - ✅✅Which of the following temperatures equals 0 K?
, barometer - ✅✅instrument used to measure atmospheric pressure is the
pressure - ✅✅the amount of force exerted upon a surface per unit of area is
liquid - ✅✅particles have enough energy to move freely but not enough energy
to overcome their attraction for each other in what state of matter?
accuracy - ✅✅How closely a measured value matches the actual value is
nucleus - ✅✅the dense central portion of an atoms is called the
Avogadro's number - ✅✅the link between the microscopic and macroscopic
levels of chemistry is
CuCl2 - ✅✅formula of Copper(II) chloride
28 g/mol - ✅✅What is the molar mass of diborane (B2H6)?
Avogadro's law - ✅✅Which law implies that, at constant temperature and
pressure, the molar volume of an ideal gas is constant?
4 - ✅✅How many significant figures does the number 68,080 have?
