Krypton is the least metallic. Because it is a noble gas. The elements go from left to right in order of most to least metallic. Krypton is the farthest right out of all of the elements you listed.
Answer:
A causes free electrons to flow
Explanation:
The amount of force that causes electrons to flow in a conductor is called electromotive force.
Answer:
A) the liquid particals move slower
Explanation:
vapor has a higher temp and have more energy than liquid so it's not c or d. and liquid has a lower boiling point than vapor
They’re both solids at room temperature; everything else was different for every other answers, but in each box it says “Stare at room temperature: solid” so, they’re both solids at room temperature
Reactivity is the ability of matter that allows it to easily chemically combine with other substances.