Podcast
Questions and Answers
What does L Coe state about energy in an isolated system?
What does L Coe state about energy in an isolated system?
- Energy can be created or destroyed.
- Energy can be accumulated indefinitely.
- Energy can only be transformed.
- The total amount of energy remains constant. (correct)
Which type of radioactivity is blocked by paper?
Which type of radioactivity is blocked by paper?
- Alpha radiation (correct)
- Gamma radiation
- Beta radiation
- Neutron radiation
According to Lmp, what must be true about the masses of two elements that combine to form a compound?
According to Lmp, what must be true about the masses of two elements that combine to form a compound?
- They can vary widely without affecting the compound.
- They must conform to a fixed ratio. (correct)
- They can only combine in equal mass amounts.
- They must stay constant regardless of the compound formed.
What do all samples of compounds have in common according to LCC?
What do all samples of compounds have in common according to LCC?
Which type of radiation has no charge?
Which type of radiation has no charge?
Flashcards
Law of Conservation of Mass
Law of Conservation of Mass
The total mass of substances remains constant during a chemical reaction.
Law of Multiple Proportions
Law of Multiple Proportions
When elements combine to form compounds, the masses of the elements combine in fixed, whole-number ratios.
Law of Constant Composition
Law of Constant Composition
Compounds always contain the same elements in the same proportions by mass.
Alpha particle
Alpha particle
Signup and view all the flashcards
Gamma ray
Gamma ray
Signup and view all the flashcards
