
考考你:第5章 原子結構
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Chemistry Aristo
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關原子的次原子粒子的陳述正確?
(1) 質子可在原子核內找到。
(2) 質子和中子的相對質量相同。
(3) 電子帶正電荷,且圍繞着原子核運行。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關原子的陳述正確?
(1) 原子是元素的最小單位。
(2) 原子的質子數目總是與中子數目相等。
(3) 不同元素的原子有不同的大小和質量。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
元素X的一個原子含26個電子和30個中子,哪個是該原子正確的詳盡原子符號?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮圖中所示的八個原子 。哪對原子是同位素?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關⁸¹Br原子的陳述正確?
(1) 它的中子數目與⁷⁹Br原子的相等。
(2) 它的質子數目與⁷⁹Br原子的相等。
(3) 它的化學性質與⁷⁹Br原子的相同。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
元素Y有兩個同位素:¹⁵¹Y和¹⁵³Y。表格顯示各同位素的相對豐度。元素Y的相對原子質量是多少?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
哪個是硫原子的正確電子圖?
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項陳述不正確地描述元素的原子的電子排佈?
A. 氮原子的電子排佈是2,5。
B. 氦原子的電子排佈是2。
C. 氯原子的電子排佈是2,8,7。
D. 鈣原子的電子排佈是2,8,10。
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