111(1)化學-1D1-第4週（10/5）
Authored by 牙技科吳金漢 牙技科吳金漢
Chemistry
KG
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
543210有幾位有效數字？
4
5
6
7
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
43210.0是幾位有效數字？
4
5
6
7
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
有效數字的運算 ：35+1.6 = ?
36
36.6
37
40
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
有效數字的運算 ：35.0+1.60 = ?
36
36.6
37
40
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
有效數字的運算 ：20 x 23 = ?
42
400
460
500
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
135.00 有幾位有效數字？改取2位有效數字變為多少？
3位，135.00
4位，135
5位，130.00
5位，140
7.
MULTIPLE SELECT QUESTION
45 sec • 20 pts
（多選題）對於原子的組成敘述，何者錯誤？
所有原子皆含有中子
所有原子皆含有電子
所有原子皆含有質子
質子的質量小於電子
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