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Questions and Answers
Which type of properties can be measured or observed without changing the identity of a substance?
Which type of properties can be measured or observed without changing the identity of a substance?
- Bonding properties
- Mass properties
- Chemical properties
- Physical properties (correct)
What are the two kinds of properties in science?
What are the two kinds of properties in science?
- Chemical and physical properties (correct)
- Reversible and irreversible properties
- Intrinsic and extrinsic properties
- Observable and unobservable properties
When water is frozen or heated up, what changes?
When water is frozen or heated up, what changes?
- State of matter changes
- Chemical properties change
- Identity of water changes
- Physical properties change (correct)
Which type of properties are independent of the quantity of matter?
Which type of properties are independent of the quantity of matter?
What is a property often used to describe in science?
What is a property often used to describe in science?
What are extensive properties dependent on?
What are extensive properties dependent on?
What is the fundamental unit of matter according to Democritus?
What is the fundamental unit of matter according to Democritus?
Which subatomic particle has a charge of +1 and a mass of 1 atomic mass unit?
Which subatomic particle has a charge of +1 and a mass of 1 atomic mass unit?
What is the most common element in the universe?
What is the most common element in the universe?
Which model proposed that all matter was made of indivisible atoms?
Which model proposed that all matter was made of indivisible atoms?
What type of change is observed when iron is exposed to both air and moisture?
What type of change is observed when iron is exposed to both air and moisture?
What are atoms composed of?
What are atoms composed of?
What is a chemical property of iron?
What is a chemical property of iron?
Which phase change occurs when a liquid turns into a solid?
Which phase change occurs when a liquid turns into a solid?
What is the defining characteristic of a gas state of matter?
What is the defining characteristic of a gas state of matter?
What distinguishes a physical change from a chemical change?
What distinguishes a physical change from a chemical change?
What is the 'Triple Point' of states of matter?
What is the 'Triple Point' of states of matter?
What is an example of a chemical change?
What is an example of a chemical change?
Which property is an example of an intensive physical property?
Which property is an example of an intensive physical property?
What is the melting point of carbon in degrees Celsius?
What is the melting point of carbon in degrees Celsius?
Which property is an example of an extensive physical property?
Which property is an example of an extensive physical property?
What is the density of water at 20 degrees Celsius in grams per cubic centimeter?
What is the density of water at 20 degrees Celsius in grams per cubic centimeter?
Which of the following is an example of a chemical property?
Which of the following is an example of a chemical property?
What is the unit commonly used to measure volume in liquids?
What is the unit commonly used to measure volume in liquids?
Who discovered the first subatomic particle, the electron?
Who discovered the first subatomic particle, the electron?
What did Ernest Rutherford discover during the gold foil experiment?
What did Ernest Rutherford discover during the gold foil experiment?
How did Niels Bohr elaborate on Rutherford's planetary model of the atom?
How did Niels Bohr elaborate on Rutherford's planetary model of the atom?
What did Erwin Schrodinger develop in the 1920s?
What did Erwin Schrodinger develop in the 1920s?
How are elements defined based on?
How are elements defined based on?
What are elements made of?
What are elements made of?
What makes each element different?
What makes each element different?
Which is the lightest and most abundant element in the universe?
Which is the lightest and most abundant element in the universe?
Which element has 2 protons, 2 electrons, and 2 neutrons?
Which element has 2 protons, 2 electrons, and 2 neutrons?
What determines the physical and chemical properties of the atoms of each element?
What determines the physical and chemical properties of the atoms of each element?
What is the definition of an isotope?
What is the definition of an isotope?
When were isotopes first characterized?
When were isotopes first characterized?
What was the term 'isotope' coined in reference to?
What was the term 'isotope' coined in reference to?
'Isotope' refers to different species of atoms of the same chemical element that differ in their _____.
'Isotope' refers to different species of atoms of the same chemical element that differ in their _____.
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