Chemistry

Chemistry, 01.09.2019 05:00, jenniferleeross53

Why do elements in a group on the periodic table have similar chemical properties?
a. similar atomic masses
b. similar atomic numbers
c. same number of outermost electrons
d. same number of protons

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Chemistry, 29.07.2019 15:50, hdhdhd49jdhd

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Why do elements in a group on the periodic table have similar chemical properties? a. same number of outermost electrons b. same number of protons c. similar atomic masses d. similar atomic numbers

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Physics, 26.09.2019 07:00, bethania26

The atomic number of beryllium (be) is 4, and the atomic number of barium (ba) is 56. which comparison is best supported by this information? a: they are in the same group because they have similar atomic masses, but they are in different periods because they have different chemical properties. b: they are in the same group because they have similar chemical properties, but they are in different periods because they have very different atomic numbers. c: they are in the same group because their atomic numbers are each multiples of four, but they are in different periods because they have different chemical properties. d: they are in the same group because they have similar atomic masses, but they are in different periods because they have very different atomic numbers.

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a. simila...

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