Podcast
Questions and Answers
Which property describes the ability of a substance to undergo a change that transforms it into a different substance?
Which property describes the ability of a substance to undergo a change that transforms it into a different substance?
- Chemical property (correct)
- Molecular property
- Physical property
- Elemental property
If an element has 6 protons, 6 neutrons, and 6 electrons, what is the atomic number of this element?
If an element has 6 protons, 6 neutrons, and 6 electrons, what is the atomic number of this element?
- 24
- 6 (correct)
- 18
- 12
What is the name and symbol of the element with atomic number 79?
What is the name and symbol of the element with atomic number 79?
- Lead, Pb
- Gold, Au (correct)
- Mercury, Hg
- Silver, Si
When calculating the average atomic weight, which factor is more important to consider for each isotope of an element?
When calculating the average atomic weight, which factor is more important to consider for each isotope of an element?
What does the term 'dimensional analysis setup' refer to in chemistry?
What does the term 'dimensional analysis setup' refer to in chemistry?
What is the correct way to express the number 0.00345 in scientific notation?
What is the correct way to express the number 0.00345 in scientific notation?
Which of the following statements best describes a physical property of an element?
Which of the following statements best describes a physical property of an element?
If an element has 11 protons, 12 neutrons, and 10 electrons, what is the symbol of this element?
If an element has 11 protons, 12 neutrons, and 10 electrons, what is the symbol of this element?
What is the correct number of significant figures in the measurement 400.0 g?
What is the correct number of significant figures in the measurement 400.0 g?
Which of the following elements has the highest atomic number?
Which of the following elements has the highest atomic number?
