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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

Used 5+ times

111(1)化學-1D1-第4週(10/5)
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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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