Chemistry, 18.10.2020 06:01, mervindavisk
an atom of an element X has one more shell of electrons than an atom of Beryllium in but it has one less valence electron than Beryllium them which element is X
Answers: 2
Chemistry, 22.06.2019 22:00, huddyxo
Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
Answers: 1
Chemistry, 23.06.2019 05:00, MoneyMike42
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
Chemistry, 23.06.2019 10:30, jetblackcap
An atom that gains or loses one or more electrons is called a(n)
Answers: 1
an atom of an element X has one more shell of electrons than an atom of Beryllium in but it has one...
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