Podcast
Questions and Answers
Which elements are some of the most abundant in living organisms?
Which elements are some of the most abundant in living organisms?
- Gold, silver, platinum, copper, aluminum, and titanium
- Carbon, hydrogen, nitrogen, oxygen, sulfur, and phosphorus (correct)
- Iron, calcium, potassium, sodium, magnesium, and zinc
- Silicon, mercury, lead, arsenic, radon, and uranium
What are elements?
What are elements?
- Substances that can be broken down into smaller substances by ordinary chemical reactions
- Forms of matter that have mass but do not occupy space
- Synthesized substances that are stable and occur naturally
- Unique forms of matter with specific chemical and physical properties (correct)
How many elements occur naturally?
How many elements occur naturally?
- 118
- 64
- 92 (correct)
- 82
What is matter?
What is matter?
What are the fundamental components of living matter?
What are the fundamental components of living matter?
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