What is the density of a 0.300 g sample of argon gas at STP?

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.

Which statement is true about ionic compounds?

Modern weaponry has increased the number of deaths in wars and violent conflicts.