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Questions tagged 'Elements'

38 questions

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

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Anonymous

Feb 15, 2025

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.

A
Anonymous

Feb 09, 2025

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...

A
Anonymous

Feb 04, 2025

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...

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Anonymous

Jan 31, 2025

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?

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Anonymous

Jan 31, 2025

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.

S
Sid Gislason

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