The element X reacts with Cl₂. The electronic configuration of X could be, 1. 2,6
2. 2,8
3. 2,8,1
4. 2,8,2

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How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles

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.

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?