Explanation:
perimeter of circle - 2pieR
- pie D
radius R - 7 cm
perimeter- 2×22/7×7 (7 and 7 got cancalled)
2×22
44 cm
Answer:
4.Electronic configuration
Explanation:
The number of digits in the electronic configuration tells you how many shells are in an atom.
Answer:
I think the answer is D...
A)CH3OCH3 is the isomer of CH3CH2OH
The Mohs scale is for natural minerals<span>. For manufactured products other measures of hardness are better. ... There are ten </span>minerals<span> in Mohs scale, talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and for last and</span>hardest<span>, diamond.
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