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Questions and Answers
What concept does a balanced chemical equation obey?
What concept does a balanced chemical equation obey?
- Avogadro's Law
- Law of Conservation of Energy
- Law of Conservation of Matter (correct)
- Dalton's Atomic Theory
What is used to balance a chemical equation?
What is used to balance a chemical equation?
- Coefficients (correct)
- Atomic masses
- Subscript numbers
- Superscript numbers
Why should you never change the subscript numbers in a chemical equation?
Why should you never change the subscript numbers in a chemical equation?
- It violates the Law of Conservation of Matter
- It alters the chemical formula (correct)
- It creates new elements
- It changes the reactants and products
In balancing a chemical equation, which atoms are typically balanced first?
In balancing a chemical equation, which atoms are typically balanced first?
What principle does a chemical reaction obey when bonds are formed and broken?
What principle does a chemical reaction obey when bonds are formed and broken?
What are reactants in a chemical reaction?
What are reactants in a chemical reaction?
What is the process where a gas is formed from a solid without passing through the liquid state?
What is the process where a gas is formed from a solid without passing through the liquid state?
Which substance classification has a pH above 7 according to the pH scale?
Which substance classification has a pH above 7 according to the pH scale?
What is the purpose of buffers in a solution?
What is the purpose of buffers in a solution?
What can happen if enzymes experience fluctuations in their optimal pH?
What can happen if enzymes experience fluctuations in their optimal pH?
What is the function of buffers in the blood?
What is the function of buffers in the blood?
Who is known as the 'Father of the Periodic Table'?
Who is known as the 'Father of the Periodic Table'?
How are anions different from their parent atoms?
How are anions different from their parent atoms?
How do cations differ from anions in terms of size?
How do cations differ from anions in terms of size?
What determines both the properties and reactivity of an atom?
What determines both the properties and reactivity of an atom?
What is the main factor influencing the increase in ionization energy moving from left to right across a period?
What is the main factor influencing the increase in ionization energy moving from left to right across a period?
Why do atoms at the top right of the periodic table have higher ionization energy requirements?
Why do atoms at the top right of the periodic table have higher ionization energy requirements?
How does an increase in electron orbits affect ionization energy?
How does an increase in electron orbits affect ionization energy?
Which factor neutralizes the positively charged nucleus, reducing its influence on valence electrons?
Which factor neutralizes the positively charged nucleus, reducing its influence on valence electrons?
How does moving down a group on the periodic table affect ionization energy?
How does moving down a group on the periodic table affect ionization energy?
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