Font size
WorksheetsISOTOPES
Total questions: 10
Worksheet time: 8mins
Diagram show the natural abundance of two isotopes of an element.
What is the value of y?
2.8
5.6
10
8.7
Diagram shows an electron arrangement of M2+.
Ion M2+ contains 12 neutrons. What is the nucleon number of atom M?
10
18
24
30
Diagram shows an electron arrangement of particle X.
What is the proton number of this particle?
6
8
10
12
Diagram 1 shows an atomic structure of an atom of element X.
What is the number of valence electrons of the atom?
9
5
4
2
The table shows the proton number of element U, V, W and Z.
Which pair of particles has the same number of electrons?
U and
W and Z
W and V-
Z and U2+
What is the meaning of isotopes?
Atoms of different elements that have the same number of neutrons but different number of protons.
Atoms of the same element that have different number of neutrons and protons.
Atoms of the same element that have the same number of protons but different number of neutrons.
Atoms of the same element that have the same number of neutrons but different number of electrons.
Which of the following isotopes is used to estimate the age of the fossil?
Carbon-14
Sodium-24
Cobalt-60
Iodine-131
A resident in Kampung Sentosa made a complaint to the Water Department because his water bill increased drastically. The officer of the department found that there was an underground water pipe leakage in the house area by using a detector.
Carbon-14
Sodium-24
Cobalt-60
Iodine-131
Nitrogen is made up of nitrogen-14 and nitrogen-15. Given that the relative atomic mass of nitrogen is 14.007, what is the natural abundance of the isotope with the heavier mass?
0.07%
0.70%
28.00 %
99.30%
跟老师上课了一个月，你有什么想对老师说的吗？
