Mercury-210 has a half life of 10 minutes. What percent is left after 40 minutes?

An example of why people may choose not to drink is: Family history Supporting the legal drinking age Don't need alcohol to have fun All of the above

How are Ground state, Excited state, Photon, Energy, and Spectrum relate to fireworks?

What type of weather does low air pressure bring

The alkali metals cesium (cs) and rubidium (rb) were discovered based on their characteristic flame colors. cesium is named after the sky and rubidium after the gem color.

How many moles of co2 are produced from the given amount of ch4?

What is potential energy? The energy of change The energy of position or composition The energy of mass or volume The energy of motion

How many significant figures are in the measurement 0.023040 cm?

Can y'all give me some examples of physical changes

A nitrogen-containing compound shows no absorption band at ∼3400cm-1 and no absorption bands between ∼1700cm-1 and ∼1600cm-1. what class of compound is it

What is the mass of 35.2 ml of a solution that has a density of 1.12 g/cm (in dimensional analysis)