Answer the following questions in English using
any resource including the material provided in class if necessary. Write the
answer in the space below the question or fill in the brackets.
1.
What are the two main materials (matters) that make up the nucleus of an atom?
2.
What circles around the nucleus of an atom?
3.
What corresponds to the atomic number?
4.
What is the weight of an atom?
5.
What are atoms which have the same number of protons but different
numbers of neutrons, in other words, weigh differently?
6.
Heavy elements such as uranium are unstable and naturally crumble down
to lighter, stable one, ( ), atomic
number 82. As they transform, they emit radioactive rays and particles.
7.
What is the name of the radioactive ray that an atom emits when its
nucleus breaks down?
8.
What is the time it takes half a container of some element to turn into
something different and lose its property?
9.
What is the name of the machine that is used to meddle with the nucleus
of an atom by smashing matters at a tremendous speed?
10.
( ) atoms, which are
artificial radio-isotopes, are used to track the whereabouts of elements in a
phenomenon that cannot be directly observed like the starch production in a
plant. In this case, the process is observed by using CO2 which contains
radioactive carbon isotopes.
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