Both krypton (b. p. -152°C) and hydrogen bromide (b. p. -67°C) are isoelectronic. Explain what factors could cause the difference in boiling points.

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

What element breaks down into yttrium-90?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as