Chemistry, 30.06.2019 17:30 godzilla24
The last element in any period always has: eight electrons in the outermost energy level five electrons in the outermost energy level the properties of a noble gas the lowest atomic mass because it is a gas
Answers: 1
Chemistry, 21.06.2019 22:30
Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density
Answers: 2
Chemistry, 22.06.2019 20:30
Citric acid has a ph between 1 and 3. it is considered to be aa. weak acidb. weak basec. strong based. strong acid
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Chemistry, 23.06.2019 05:00
Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature
Answers: 3
The last element in any period always has: eight electrons in the outermost energy level five ele...
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