Isotopes of an element have the same number of ______ and different numbers of ______.
Isotopes of an element have the same number of ______ and different numbers of ______.
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相关试题
- 1.Isotopes of an element have the same number of ______ and different numbers of ______.
- 2.Isotopes are atoms that have the same number of __________ but differing number of __________.
- 3.Atoms of the same element may have different atomic weights.
- 4.All atoms of a given element have the same __________.
- 5.An element is a substance all of _ atoms have the same atomic number.A．thatB．whoseC．whatD．which
- 6.Which of the following isotopes has the greatest number of neutrons?
- 7.The teacher writes one of five numbers(1-5) on a number of cards(the same number as the students).
- 8.Most resisters have bands.
- 9.Style is different people (or the same people) saying the same thing in different ways to different groups
- 10.A large number of radioactive isotopes among the heavy elements are of three series.
