Archive day

November 22, 2025

348 public questions were asked on this day.

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Consider atoms that have different electronegativity. What does the varying electronegativity of atoms in a compound tell you about their interactions?(1 point) Responses compound energy storage compound energy storage v...
Asked by winnie 1 answer
Use the periodic table to answer the question. The periodic table of elements shows element groups, periods, and element properties. Which element gains two electrons to fill its outermost energy level? (1 point) Respons...
Asked by winnie 1 answer
When table salt forms, which action occurs between the reacting elements?(1 point) Responses Chlorine donates an electron to sodium. Chlorine donates an electron to sodium. Chlorine exchanges an electron with sodium. Chl...
Asked by winnie 1 answer
Use the image to answer the question. Periodic table showing electronegativity of elements, increasing left to right and bottom to top. The oxygen atom found in sodium sulfate, NaSO4 , forms bonds with both sodium and su...
Asked by winnie 1 answer
Use the equation to answer the question. 4NaCl+2SO2+_____ H2O+_____ O2→_____ Na2SO4+4HCl Which represents the balanced equation? (1 point) Responses 4NaCl+2SO2+H2O+2O2→ 4Na2SO4+4HCl 4 N a C l plus 2 S O sub 2 plus H sub...
Asked by winnie 1 answer
Use the equation to answer the question. H2SO4+HI→H2S+I2+H2O Which option shows a correctly balanced chemical equation? (1 point) Responses H2SO4+8HI→H2S+8I2+4H2O h sub 2 S O sub 4 plus 8H I rightarrow h sub 2 s plus 8i...
Asked by winnie 1 answer
Which correctly describes sister chromatids?(1 point) Responses They form during metaphase when DNA is being replicated. They form during metaphase when DNA is being replicated. They are the daughter cells that form duri...
Asked by hfgnljxghcfjdgj/xk.cbh 1 answer
Which type of stem cell is able to differentiate into any cell type, including extraembryonic placental cells?(1 point) Responses embryonic cells embryonic cells multipotent cells multipotent cells totipotent cells totip...
Asked by hfgnljxghcfjdgj/xk.cbh 1 answer
In what phase of mitosis do chromosomes split into sister chromatids?(1 point) Responses prophase prophase telophase telophase cytokinesis cytokinesis anaphase
Asked by hfgnljxghcfjdgj/xk.cbh 1 answer
Which of the following correctly orders events during mitosis?(1 point) Responses The nuclear membrane dissolves. Microtubules organize the chromosomes. The mitotic spindle attaches to chromosomes. The nuclear membrane d...
Asked by hfgnljxghcfjdgj/xk.cbh 1 answer
In which phase do cells rest?(1 point) Responses interphase interphase prophase prophase metaphase metaphase anaphase anaphase
Asked by hfgnljxghcfjdgj/xk.cbh 1 answer
Which equation fits a line that is parallel to the line y=2x+4 ?(1 point) Responses y=−12x+4 y equals negative Start Fraction 1 over 2 End Fraction x plus 4 y=12x−3 y equals Start Fraction 1 over 2 End Fraction x minus 3...
Asked by hfgnljxghcfjdgj/xk.cbh 1 answer
Calcium (Ca ) has two valence electrons and bromine (Br ) has seven valence electrons. What is the chemical formula of calcium bromide, the product of a chemical reaction of calcium and bromide?(1 point) Responses CaBr C...
Asked by winnie 1 answer
Use the reaction to answer the question. Zn + 2HCl → ZnCl2 + H2 Which type of reaction is this? (1 point) Responses combustion combustion electronegative electronegative replacement replacement ionic
Asked by winnie 1 answer
Lars moved to a new main home in 2023 and converted his former main home to a rental property. He rented his former main home for all of 2024. Where on his return should he deduct the mortgage interest, real estate taxes...
Asked by e 1 answer
Use the periodic table to answer the question. The periodic table of elements shows element groups, periods, and element properties. A chemical reaction produces a molecule in which all of the atoms have a stable configu...
Asked by winnie 1 answer
Which statement comparing ionic and covalent bonds is correct?(1 point) Responses Group IA elements are more likely to form covalent bonds than ionic bonds with other atoms. Group IA elements are more likely to form cova...
Asked by winnie 1 answer
Use the equation to answer the question. CH4+2O2→CO2+H2O Which statement describes why this chemical equation is not correct? (1 point) Responses There are more hydrogen and oxygen atoms on the left side than the right s...
Asked by winnie 1 answer
When writers use the Modern Language Association (MLA) style, where do they create citations? Select the two correct answers.(1 point) Responses in parentheses in the text in parentheses in the text in apostrophes in the...
Asked by winnie 1 answer
How should writers take into account their audience when developing a topic?(1 point) Responses They should avoid giving information that the audience is likely to be unfamiliar with. They should avoid giving information...
Asked by winnie 1 answer
Use the thesis statement to answer the question. Despite many urban legends and anecdotes, there is little scientific evidence that a full moon can influence behavior. Which sentence would be best for a writer to include...
Asked by winnie 1 answer
An author is writing an explanatory text and wants to include relevant and sufficient facts to develop the topic. Select the two questions that would best help the author decide which facts to include.(1 point) Responses...
Asked by winnie 1 answer
A dilated figure has a surface area of 10,990.8 in.2 . The figure was dilated by a scale factor of 6. What is the surface area of the original figure?(1 point) Responses 915.9 in.2 915.9 in. squared 395,668.8 in.2 395 co...
Asked by winnie 1 answer
Use the image to answer the question. A cylinder has a height of 15 centimeters and a radius of 8 centimeters. If the cylinder were dilated using a scale factor of 4, what would be the new surface area? The formula for t...
Asked by winnie 1 answer
A triangular prism has a surface area of 486 in.2 . If it were dilated using a scale factor of 13 , what would the new surface area be?(1 point) Responses 18 in.2 18 in. squared 162 in.2 162 in. squared 1,458 in.2 1,458...
Asked by winnie 1 answer