题型:填空题 题类: 难易度:容易
河北省邯郸市磁县2023-2024学年九年级上学期期末调研化学试题
(1)钙元素;
(2)2个钠离子;
(3)3个水分子;
(4)CO32-;
(5)MgCl2;
(6)Ca2+中“2”的表示意义。
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
{#blank#}1{#/blank#} | 氦 | {#blank#}2{#/blank#} | {#blank#}3{#/blank#} | 硼 | 碳 | {#blank#}4{#/blank#} | 氧 | 氟 | {#blank#}5{#/blank#} |
H | {#blank#}6{#/blank#} | Li | Be | {#blank#}7{#/blank#} | {#blank#}8{#/blank#} | N | {#blank#}9{#/blank#} | {#blank#}10{#/blank#} | Ne |
11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
钠 | {#blank#}11{#/blank#} | 铝 | 硅 | {#blank#}12{#/blank#} | 硫 | 氯 | {#blank#}13{#/blank#} | {#blank#}14{#/blank#} | 钙 |
{#blank#}15{#/blank#} | Mg | {#blank#}16{#/blank#} | {#blank#}17{#/blank#} | P | {#blank#}18{#/blank#} | {#blank#}19{#/blank#} | Ar | K | {#blank#}20{#/blank#} |
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