Element A has one valence electron. How does its reactivity compare to that of element B, which has four valence electrons?

A) Element A is more reactive.

B) Element A is less reactive.

C) Element A and B have the same reactivity.

What type of contamination occurs if a paint chip falls into soup

1. Approximately how long does the Lunar Cycle fake to complefe all phases of the moon one time?

Water can resist a greater external force than ethanol can. Which statement best describes this difference? Water has less capillary action than ethanol. Water has greater capillary action than ethanol. Water has lower surface tension than ethanol.

The U. S. Navy has a system for communicating with submerged submarines. The system uses radio waves with a frequency of 76s^-1. what is the wavelength of the radiation in meters? In miles?

If element X has 59 protons, how many electrons does it have?

Brianna wanted to compare the densities of two different solids of the same size 6cm3 (same volume) to see which one was more dense. Solid A had a mass of 2 grams and Solid B had a mass of 0.5 grams.

Which type of bond is present within a water molecule

Every oxygen atom has 8 electrons. what can you learn from the electron configuration of oxygen

If there is a loss of 5.63 x 10 - 7 kg of mass in a nuclear reaction, how many joules of energy would be released? Recall that C equals 3 times 108 m / s.

Why is it important that scientific knowledge changes?