Elements that have complete valence electron shells are mostly found in the s block. d block. p block. f block.

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

An observation that requires measurement is called quantitative observable or qualitative

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.