Answer:
A)The spring scale has a high level of precision and a low level of accuracy.
Explanation:
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The pairs are:
K, Kr - Same period
Be, Mg - Same group
Ni, Tc - Both are transition metals
B, Ge - Both are metaloids
Al, Pb - Both form inert oxides
Answer:
There are 1.8×1024 atoms in 1.5 mol HCl
Explanation:
The <span>source of fuel that is most widely used today is Natural gas. The answer is letter C. The rest of the choices do not answer the question above,</span>
