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國中自然2上6-2

Authored by Tang Da

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7th - 9th Grade

Used 62+ times

國中自然2上6-2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

附圖為週期表中的一個元素,試問從圖中何者可判斷該元素在1大氣壓25℃下的狀態?

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

最早的週期表是下列何者依據質量大小的順序所排列的?

門得列夫
莫斯利
道耳頓
拉塞福

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

將某些元素歸於同一族的原因,主要為下列何者?

物理性質相同
物理性質相似
化學性質完全相同
化學性質相似

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

基於安全理由,下列哪種金屬保存時不能接觸到水?

Na
Ag
Mg
Al

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

下列哪一組的化學性質相似,皆屬於鹼金屬元素?

鈉、銅
鎂、鋇
鈣、銅
鈉、鉀

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

鹼金屬之名稱由來為何?

鹼金屬與水反應後均會產生鹼性物質
鹼金屬與水反應時均會起火燃燒
鹼金屬均可用小刀切開
鹼金屬嘗起來均帶有鹼味

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

鉀、鈉及鐵三種金屬和水反應後,何者產物的水溶液不會使酚酞指示劑由無色變成粉紅色?

三者皆可使其變色

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