Podcast
Questions and Answers
What is the Law of Definite Composition also known as?
What is the Law of Definite Composition also known as?
- Law of Mass Conservation
- Atomic Number Law
- Law of Conservation of Energy
- Law of Multiple Proportions (correct)
How is mass defined in chemistry contexts?
How is mass defined in chemistry contexts?
- Anything that occupies space (correct)
- Anything that has volume and density
- Anything with protons and neutrons
- Anything with weight and size
What does the Atomic Number of an element represent?
What does the Atomic Number of an element represent?
- Number of electrons orbiting around the nucleus
- Number of protons + neutrons
- Number of electrons in the nucleus
- Number of protons in the nucleus (correct)
What does the term 'Mole' refer to in chemistry?
What does the term 'Mole' refer to in chemistry?
How is 'Molar Mass' defined in relation to a substance?
How is 'Molar Mass' defined in relation to a substance?
What is a 'Compound' defined as in chemistry?
What is a 'Compound' defined as in chemistry?
What is the term for a substance with a fixed composition?
What is the term for a substance with a fixed composition?
What is the term for a group of atoms that are chemically bonded together?
What is the term for a group of atoms that are chemically bonded together?
What is the term for an electrically-charged particle obtained from an atom or chemically bonded group of atoms?
What is the term for an electrically-charged particle obtained from an atom or chemically bonded group of atoms?
What is the ratio of the actual yield to the theoretical yield, multiplied by 100%?
What is the ratio of the actual yield to the theoretical yield, multiplied by 100%?
What is the sum of the atomic masses/weights of all the atoms in a molecule?
What is the sum of the atomic masses/weights of all the atoms in a molecule?
What is the formula that uses atomic symbols with numerical subscripts to convey the relative proportions of atoms of the different elements in the substance?
What is the formula that uses atomic symbols with numerical subscripts to convey the relative proportions of atoms of the different elements in the substance?
What is the general formula for an alkene?
What is the general formula for an alkene?
What is the name of the functional group R-COOH?
What is the name of the functional group R-COOH?
What is the formula for methyl cyanide?
What is the formula for methyl cyanide?
What is the symbol of the element with atomic number 11?
What is the symbol of the element with atomic number 11?
What is the formula for Bromoethane?
What is the formula for Bromoethane?
What is the name of the element with atomic number 30?
What is the name of the element with atomic number 30?
