The cation(s) in calcium
(Ca2+)carbonate(C03) is(are)

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units: