emilyy101 emilyy101

15-03-2018
Chemistry

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WILL GIVE OUT BRAINLIEST..

Name the 2 elements that have the same number of valence electrons.
Name the elements that would be classified as metals.
Name the 2 elements that are in the same period.
Name the 2 elements that are in the same family.
Name the element that has the smallest atomic number.
If the atomic number of element C is 20, then what is the atomic number of element D?

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thestinger66 thestinger66

15-03-2018

Iron-Metal
Boron, Carbon- Same period
Cobalt,Iron- Same family
Hydrogen- smallest atomic number
If C is 20 D should be 21

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