Periodicity is best defined as:
a) the fact that elements increase in atomic mass in a regul...
Chemistry, 29.09.2019 05:30 ElizabethF
Periodicity is best defined as:
a) the fact that elements increase in atomic mass in a regular way
b) the repeating nature of physical and chemical properties with increasing atomic number
c) the regular growth of atomic size with atomic mass
d) the consistent decrease of nuclear charge with atomic mass
e) the repeating nature of atomic nuclear structure
Answers: 1
Chemistry, 22.06.2019 08:30
For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
Answers: 2
Chemistry, 22.06.2019 08:30
Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.
Answers: 3
Chemistry, 22.06.2019 20:30
Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206
Answers: 2
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