Write a reflection about your learning in this unit. Your reflection should be at least 3 sentences. Use the following sentence starters as a guide. I feel confident about naming physical properties because

It is challenging to figure out if something is a chemical or physical change because...

In order to remember definitions of vocabulary words in this unit, one strategy I used was to...

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Ase your answer to this question on the information below. hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant. the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen. chemical equation: ch4 + 2o2 → co2 + 2h2o + 1.48 × 10−18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product. nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate