Archive day

November 9, 2025

310 public questions were asked on this day.

Nov 10 →
Which option correctly describes the pattern of electronegativity and reactivity in metals?(1 point) Responses Both electronegativity and reactivity decrease down a group. Both electronegativity and reactivity decrease d...
Asked by jime 1 answer
Which option correctly describes the pattern of reactivity and electronegativity in nonmetals?(1 point) Responses Reactivity increases down a group, and electronegativity decreases down a group. Reactivity increases down...
Asked by jime 1 answer
Which characteristics determine an element’s reactivity?(1 point) Responses electronegativity and period electronegativity and period valence electrons and electronegativity valence electrons and electronegativity valenc...
Asked by jime 1 answer
Why are iron oxides in rocks evidence for prehistoric photosynthesis?(1 point) Responses Iron oxides form when carbon dioxide, a reactant of photosynthesis, is in the atmosphere. Iron oxides form when carbon dioxide, a r...
Asked by jime 1 answer
Which compound is a carbohydrate?(1 point) Responses HClO4subscript HClO 4 subscript C3subscriptH6subscriptO3subscript C 3 subscript H 6 subscript O 3 subscript C4subscriptH12SubscriptN2subscript C 4 subscript H 12 Subsc...
Asked by jime 1 answer
What can be predicted from the valence electrons of the elements in a compound formed by a reaction?(1 point) Responses number of bonds between the atoms number of bonds between the atoms absolute electronegativity of th...
Asked by jime 1 answer
Where is energy stored during photosynthesis?(1 point) Responses chemical bonds chemical bonds valence electrons valence electrons carbon dioxide carbon dioxide oxygen
Asked by jime 1 answer
Which term describes the conversion of substances into different substances?(1 point) Responses photosynthesis photosynthesis ionic bonding ionic bonding chemical reaction chemical reaction fossilization
Asked by jime 1 answer
Which chemical formula represents a polyatomic ion?(1 point) Responses Cl–minus Cl – minus Na+plus Na + plus ClO–minus ClO – minus NaCl NaCl
Asked by jime 1 answer
Use the periodic table to answer the question. The periodic table of elements shows element groups, periods, and element properties. Based on patterns in the periodic table, which ion has a stable valence electron config...
Asked by jime 1 answer
Which statement best explains why the elements in Group 18 do not have electronegativity values?(1 point) Responses The elements have filled valence levels. The elements have filled valence levels. The elements do not ha...
Asked by jime 1 answer
Which quantity determines how two atoms bond?(1 point) Responses the sum of their electronegativities the sum of their electronegativities their total number of valence electrons their total number of valence electrons t...
Asked by jime 1 answer
Use the periodic table to answer the question. The periodic table of elements shows element groups, periods, and element properties. How would the electron configuration of nitrogen change to make a stable configuration?...
Asked by jime 1 answer
Match each word to its description.(1 point) Put responses in the correct response input area to answer the question. Select a response, navigate to the desired input area and insert the response. Responses can be select...
Asked by jime 1 answer
Drag each item to the correct location.(1 point) Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted...
Asked by jime 1 answer
How does Rb bond with other elements?(1 point) Responses Rcapsb gains two electrons. R caps b gains two electrons. Rcapsb gains an electron. R caps b gains an electron. Rcapsb loses an electron. R caps b loses an electro...
Asked by jime 1 answer
Use the images to answer the question. An illustration shows elements of group 1 from least reactive at the top to most reactive at the bottom as Li, Na, K, Rb, Cs, and Fr. An illustration shows elements of group 17 from...
Asked by jime 1 answer
How do nonmetals tend to form bonds?(1 point) Responses by gaining protons by gaining protons by losing protons by losing protons by losing electrons by losing electrons by gaining electrons
Asked by jime 1 answer
Why does the reactivity of metals increase from right to left on the periodic table?(1 point) Responses Metals on the right have fewer protons, making it harder to attract electrons from other atoms. Metals on the right...
Asked by jime 1 answer
Use the excerpt from “Butterflies are disappearing in Ohio. Here’s what that means for insects everywhere” to answer the question. Why does the author talk about windshields in the last paragraph? Select the two correct...
Asked by jime 1 answer
Use the excerpt from “Butterflies are disappearing in Ohio. Here’s what that means for insects everywhere” to answer the question. Which idea introduced in paragraph 1 gets developed in paragraph 2?(1 point) Responses Th...
Asked by jime 1 answer
Use the excerpt from “Butterflies are disappearing in Ohio. Here’s what that means for insects everywhere” to answer the question. What main claim does the author make in the passage?(1 point) Responses A study about but...
Asked by jime 1 answer
Use the passage to answer the question. What are two ways the editors of Deaf Poets Society make the journal accessible to people with disabilities? Select the two correct answers. (1 point) Responses by encouraging writ...
Asked by jime 1 answer
Use the passage to answer the question. What problem is Deaf Poets Society aimed at addressing for people with disabilities? (1 point) Responses their difficulty many people with disabilities have advancing in their care...
Asked by jime 1 answer
Use the passage below from “Deaf Poets Society” to answer the question. How does the author use details to support the central idea of this passage? (1 point) Responses by explaining how magazines can be accessible to th...
Asked by jime 1 answer