Which of the following is not the name of a chemical family?
A. heavy metals
B. noble gases
C. transition metals
D. alkaline-earth metals
E. alkali metals
Answer: A
You might also like to view...
How might the spectrum of an atom appear if its electrons were not restricted to particular energy levels?
A. There would be no frequencies within the visible portion of the electromagnetic spectrum. B. A broad spectrum of all colors would be observed. C. It would appear nearly the same as it does with the energy level restrictions. D. The frequency of the spectral lines would change with temperature.
What is the market area of a service and why is it important?
What will be an ideal response?
On a weather map of the Northern Hemisphere, one would observe the westerlies ____
A) north of the subpolar lows B) south of the subtropical highs C) between the doldrums and the horse latitudes D) between the subpolar lows and the subtropical highs
What are the Earth's abiotic and biotic systems?
What will be an ideal response?