If a crystal as a six-fold axis of symmetry that is perpendicular to a two-fold axis of symmetry this is a(n) _________crystal.
Fill in the blank(s) with the appropriate word(s).
hexagonal
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Two or more bound atoms is called a ________________
Fill in the blank(s) with correct word
In Einstein's General Theory of Relativity, gravity is explained as
A) action at a distance B) the curvature of spacetime C) a basic component of the atom D) a force-carrying particle called the graviton
Energy is released during a nuclear reaction due to a conversion between mass and energy. Mass is not conserved. The initial and final amounts are different. If a total of 1.0 gram of mass is "missing", how much energy has been released?
A. 9.0 × 1011 J B. 9.0 × 1017 J C. 9.0 × 1015 J D. 9.0 × 1013 J E. 9.0 × 1016 J
You observe a rocket moving toward you. Compared to its length when it was at rest on the ground, you will measure its length to be:
1.shorter. 2.longer. 3.the same.