2022届高三第2次全国大联考答案

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2022届高三第2次全国大联考答案

第二节ne possible versionThe Smoke House has had a reputation for kindness ever sinceOliver is dad. His father was the original owner and was in chargeof the Smoke House. in addition to helping travelers in needOliver’s father was also involved in the community by helpingto establish a state park, a medical center and more. These oftenoffered some help to some people who were in trouble or inneed. Oliver said his father encouraged him to help others fromhis childhood. And when his father passed away, the House wasleft to Oliver, and he continued offering help to those who arein needA month later, Susan returned to the smoke House. ToOliver’s surprise, Susan gave the money back to Oliver. Her motherrecovered from the illness after she looked after her patiently, andshe said she was ready to pass kindness to others. For Susan, theSmoke House is a charity in her heart. When you’ ve got foodou cant turn away people who need help, she said she wouldremember what Oliver once said.

2022届高三第2次全国大联考答案

4.CX、Y、Z、W是短周期主族元素,且原子序數依次增大,基態X原子的電子總數是其最高能級電子數的2倍,可知X為O)元素,z與X形成淡黃色化合物ZX:則2X:為Na:O2,所以Z為Na元素,YW最外層電子數相同,所以Y、W屬於同主族,分別為F、C元素,綜上可知,X、Y、Z、W分別是()、F、Na、C,A.金屬元素第一電離能較小非金屬元素第一電離能較大,同周期元素第一電離能從左到石有增大的趨勢,同族元素從上到下第一電離能減小,即F>Cl.故A錯誤:B.元素的非金屬性越強簡單離子的還原性越弱,簡單離子的還原性:C>F·故B錯誤:C.核外電子層數相同的微粒,核電荷數越多,離子半徑越小,電子層數不相同的微粒,電子層數越多,離子半徑越大,故C>0>F>Na·故C正確:D.氟化氫為弱酸,故氫化物水溶液的酸性:HC>HF,故D錯誤。