An element with noble gas configuration [Ar]4s23d10 is : a. Argon
b. Cadmium
c. Zinc
d. Silver

What type of electromagnetic radiation has a shorter wavelength than blue light

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

When the mercury level in a barometer decreases that atmospheric pressure has