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Chapter 14:
Science 8
Vocabulary Quiz:
Word List
a. alpha particle
b. anode
c. atomic number
d. beta particle
e. cathode
f. electron
g. actinides
h. electron cloud
i. element
j. half-life
k. isotope
l. mass number
m. neutron
n. proton
o. radioactive decay
p. transition
q. transmutation
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When a neutron is converted into a proton, this is an example of _________.
This is the process by which one element changes into another element.
Atoms of the same element with a different number of neutrons are called _.
The atomic number of an element is equal to _____________.
This is the smallest of the three atomic particles.
The positive electrode in a CRT is called the _________________.
The positively charged particle in an atom is called ___.
The area surrounding the nucleus of an atom where electrons travel is called
the ______.
9. The release of nuclear particles and energy is called ______________.
10. The amount of time that it takes one half of a radioactive atom to decay.
11. The negative electron in the CRT tube is called _____.
12. When an element changes from one element to another it ejects a (n) _____.
13. Matter made of one kind of element is known as an _____________.
14. The actual changing of one element into another is called _____.
15. A high-energy electron that comes from the nucleus and not from the
electron cloud is called _______.
16. The number of protons plus the number of neutrons is called _____________.
17. The number of protons of an element can be found by looking at the ________.