Questions tagged 'Elements'
38 questions
Which is a key element found in all carbohydrates, lipids, proteins, and nucleic acids?
What is a key element that is present in all carbohydrates, lipids, proteins, and nucleic acids? Is it carbon (B)?
Which quantity can vary among atoms of the same element
What quantity can vary among atoms of the same element?
Feb 16, 2025
Which element reacts spontaneously with 1.0 m hcl(aq) at room temperature?
Which element will react spontaneously with 1.0 M HCl(aq) at room temperature? 1. Copper 2. Gold 3. Silver 4. Zinc
Arrange these elements in order of decreasing atomic size : sulfur , chlorine , aluminum , and sodium.
Please arrange the following elements in order of decreasing atomic size: sodium, aluminum, sulfur, and chlorine.
1. what is this element: [Ar] 4s1?
What is the element represented by the notation [Ar] 4s¹? Additionally, I have a question regarding the following elements: Element A: 1s² 2s² 2p⁶ Element B: 1s² 2s² Element C: 1s² 2s² 2p⁶ 3s¹...
Which of the following elements will produce the same spectrum?
Which of the following pairs of elements will produce the same spectrum? Please consider the following options: Carbon and Oxygen Hydrogen and Helium Gold and Silver No two elements produce t...
One of a class of elements having properties intermediate to metals and nonmetals.
What is the term for an element that exhibits properties intermediate between those of metals and nonmetals?
Which of the following elements has the least tendency to form an ion?
Which of the following elements has the least tendency to form an ion: oxygen (O), hydrogen (H), helium (He), or beryllium (Be)? Please explain your reasoning.
Jan 28, 2025
Which element is an active nonmetal?
Which of the following is classified as an active nonmetal? a. Neon b. Zinc c. Oxygen d. Chromium
Which of these elements has an electron configuration of [Kr]5s2?
Which element from the following options has the electron configuration of [Kr]5s²?