When an unstable nucleus decays by emitting an alpha particle, the atomic number Z of the nucleus
A) increases by 4.
B) increases by 2.
C) decreases by 2.
D) decreases by 4.
E) remains unchanged.
C
Physics & Space Science
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In a wave, the distance from peak to peak is called the wave's ________
Fill in the blank(s) with correct word
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Silicon forms its strongest chemical bonds with
A) itself B) carbon C) oxygen D) hydrogen
Physics & Space Science
Why is falsifiability desirable in a scientific model?
What will be an ideal response?
Physics & Space Science
Tensile Stress and Strain: Two wires are made out of the same metal, but one wire is twice as long as the other wire. Which wire will have the greatest elastic modulus?
A. the shorter wire B. the longer wire C. It will be the same for both wires.
Physics & Space Science