Podcast
Questions and Answers
Which group of elements constitute over 99% of the mass of most cells?
Which group of elements constitute over 99% of the mass of most cells?
- P-block elements (correct)
- D-block elements
- F-block elements
- S-block elements
What is a characteristic feature of major elements found in living cells?
What is a characteristic feature of major elements found in living cells?
- They are mostly P-block elements (correct)
- They are able to form ionic bonds
- They have larger atomic sizes/numbers
- They are metals
Which elements are considered minor elements in living cells?
Which elements are considered minor elements in living cells?
- K, P, S, and C
- O, Fe, Si, and Mg
- Cu, Mg, Ca, and Na
- Mn, Fe, Co, and Ni (correct)
What is the similarity between the composition of Earth and the composition of the human body in terms of elements?
What is the similarity between the composition of Earth and the composition of the human body in terms of elements?
Why are major elements like Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, and Sulphur important in living cells?
Why are major elements like Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, and Sulphur important in living cells?
Which statement about the representation of periodic table groups in living cells is correct?
Which statement about the representation of periodic table groups in living cells is correct?
What is a distinguishing feature of major elements in living cells compared to other elements?
What is a distinguishing feature of major elements in living cells compared to other elements?
According to Dalton's theory, why are atoms of the same element considered identical?
According to Dalton's theory, why are atoms of the same element considered identical?
What did Democritus suggest about the nature of matter?
What did Democritus suggest about the nature of matter?
What makes Uranium potentially harmful to cells?
What makes Uranium potentially harmful to cells?
Which element's property allows it to form bonds with itself in chains, branches, or rings?
Which element's property allows it to form bonds with itself in chains, branches, or rings?
What type of compound does Platinum form that serves as an anti-cancer drug?
What type of compound does Platinum form that serves as an anti-cancer drug?
What was an incorrect aspect of Dalton's theory?
What was an incorrect aspect of Dalton's theory?
Which scientist proposed the Plum pudding or watermelon model of atomic structure?
Which scientist proposed the Plum pudding or watermelon model of atomic structure?
What did Louis de Broglie suggest about electrons in the Wave Mechanistic Model of the atom?
What did Louis de Broglie suggest about electrons in the Wave Mechanistic Model of the atom?
Which quantum number describes the orientation of orbitals in space?
Which quantum number describes the orientation of orbitals in space?
In terms of electronic configuration, what does the Orbital quantum number (l) determine?
In terms of electronic configuration, what does the Orbital quantum number (l) determine?
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