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WorksheetsS3 Chemistry - Atoms
Total questions: 25
Worksheet time: 18mins
在常温常壓下，所有金屬都是固體。At room temperature and pressure, all metals are solids.
T
F
硅是類金屬。Silicon is a metalloid
T
F
鎂的符號是Ma。The symbol of magnesium is Ma.
T
F
元素的原子序相等於該元素的原子內的電子數目。The atomic number of an element equals the number of electrons in an atom of that element.
T
F
元素的原子必定具有相同數目的質子和中子。An atom of an element must contain equal number of protons and neutrons.
T
F
所有原子均具有中子。All atoms contain neutrons.
T
F
T
F
氟原子具有9個電子。A fluorine atom contains 9 electrons.
T
F
氧的原子序是8。The atomic number of oxygen is 8
T
F
在原子內，第二層電子層最多可容納10個電子。In an atom, the second electron shell can hold a maximum of 10 electrons.
T
F
Which of the following combinations is correct? 下列哪個組合正確？
A
B
C
D
Which of the following statements about the non-metals is correct? 下列有關非金屬的陳述，哪項正確？
Yellow phosphorus has a low melting point. 黃磷具有低熔點。
Bromine is a solid at room temperature and pressure. 溴在常温常壓下是固體。
Graphite cannot conduct electricity石墨不能導電。
Oxygen is a good conductor of heat. 氧是優良的導熱體。
Which of the following combinations is correct? 下列哪個組合正確？
A
B
C
D
An atom of element X has 18 protons and 22 neutrons. Which of the following statements about X is correct? 元素X的原子具有18個質子和22個中子，下列哪項有關X的陳述正確？
X is a gas at room temperature and pressure. 在常温常壓下，X是氣體。
An atom of X has 22 electrons. 原子具有22個電子。
X is sulphur. X是硫。
The mass number of X is 18. X的質量數是18。
Which of the following atoms are isotopes? 下列哪對原子是同位素?
W and X
W and Y
X and Z
Y and Z
Which of the following chemical shorthands is correct? 下列哪個化學簡寫正確？
A
B
C
D
Element X occurs in nature as two isotopes, 32X and 34X. If the relative atomic mass of X is 32.1, what is the relative abundance of the 32X isotope? 元素 X 有兩種同位素︰32X和34X。如果X的相對原子質量是32.1，那麼32X的相對豐度是多少？
4.0%
5.0%
95.0%
96.0%
Which of the following particles has 16 protons? 下列哪種粒子具有16個質子？
16O
19F
32S
35Cl
Atom X has 13 protons. The electronic arrangement of an atom X is原子X具有13個質子。原子X 的電子排佈是
2,11
2,6,5
2,8,3
2,10,1
The electronic arrangement of a calcium atom is鈣原子的電子排佈是
2,10
2,8,2
2,8,10
2,8,8,2
Which of the following statements about the metals are correct? 下列有關金屬的陳述，哪些正確？
(1) and (2)
(1) and (3)
(2) and (3)
(1), (2) and (3)
Which of the following statements about subatomic particles is / are correct? 下列有關次原子粒子的陳述，何者正確？
(1)
(2)
(1) and (3)
(2) and (3)
Which of the following statements about electronic arrangements in atoms are correct? 下列有關原子內的電子排佈的陳述，哪些正確？
(1) and (2)
(1) and (3)
(2) and (3)
(1), (2) and (3)
An atom of element X has 15 protons. Which of the following statements about X are correct? 元素X的原子具有15個質子。下列有關元素X的陳述，哪些正確？
(1) and (2)
(1) and (3)
(2) and (3)
(1), (2) and (3)
Which of the following atoms are isotopes? 下列哪對原子是同位素?
(1)
(2)
(1) and (3)
(2) and (3)
