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Match it!
Match it! Select the correct answer from the pull down...Good luck!
The _____ move around and jump from one energy level to another.
electrons
10
neutral/no
electrons
Delta
electron cloud
nucleus
half-life
The amount of time it takes for an element to reduce its mass by half is called _____.
electrons
10
neutral/no
electrons
Delta
electron cloud
nucleus
half-life
_____ have a negative charge.
electrons
10
neutral/no
electrons
Delta
electron cloud
nucleus
half-life
The _____ surrounds the nucleus and contains the electrons.
electrons
10
neutral/no
electrons
Delta
electron cloud
nucleus
half-life
The neutrons have a _____ charge
electrons
10
neutral/no
electrons
Delta
electron cloud
nucleus
half-life
If an element has an atomic number of 10, how many protons does it have?
electrons
10
neutral/no
electrons
Delta
electron cloud
nucleus
half-life
Which of the following is not an example of radioactive decay?
electrons
10
neutral/no
electrons
Delta
electron cloud
nucleus
half-life
The center of the atom is called the _____.
electrons
10
neutral/no
electrons
Delta
electron cloud
nucleus
half-life
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