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Chemistry 103 Chapter 1 and Chapter 2 Test Questions with Correct Answers.
Chemistry 103 Chapter 1 and Chapter 2 Test Questions with Correct Answers.
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Chemistry 103 Chapter 1 and Chapter 2 TestQuestions with Correct Answers
What is a physical change? Correct Answer-compound stays the same,
but the form of the compound may change
What is a chemical change? Correct Answer-compound actually changes
What is an intensive property? Correct Answer-a property of matter that
is independent of the quantity of the substance Ex: color or melting pot
What is an extensive property? Correct Answer-a property of matter that
depends on the quantity of the substance
What is the equation for density? Correct Answer-density =
mass/volume
What is the equation for 5.00% (m/v) glucose? Correct
Answer-5.00g/100mL or 100mL/5.00g
What is the equation to find Celsius? Correct Answer-C= (F - 32) / 1.8
What is the equation to find Fahrenheit? Correct Answer-F= (1.8 x C) +
32
What is the equation to find Kelvin? Correct Answer-K = C + 273
, What is an atom? Correct Answer-basic structural unit of an element
What is Bhor's atomic model? Correct Answer-electrons move in a
circular orbits (or energy levels) around the nucleus
What are orbitals and what theory said this? Correct Answer-the modern
atomic theory says that regions in space with a high probability of
finding an electron are one.
What is periodic law? Correct Answer-the physical and chemical
properties of the elements are periodic functions of their atomic numbers
What is the form of the periodic table based on? Correct Answer-
electron configuration
What is electron configuration? Correct Answer-describes the
arrangement of electrons in atoms
What is the difference between metals and nonmetals? Correct Answer-
Metals lose electrons during chemical change, whereas nonmetals gain
electrons.
What is Aufbau's principle for electron configuration? Correct Answer-
electrons fill atomic orbitals from the lowest energy first
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