Chemistry, 17.12.2020 01:30 jacxirylopez

PLS HELP IM BEING TIMED AND I ONLY HAVE 4 MINUTESS sorry this is like 5 questions but no one answers me so yea
1. which element has the largest atomic radius
Gallium. Zinc. Bromine. Calcium
2. what is the charge of manganese when it contains 21 electrons?
3. which element has the largest electronegativity: vanadium, Gallium, Selenium, Nickel
same question: selenium, Polonium, Sulfur, tellurium
4. largest ionization energy: scandium, Arsenic, Colbalt, Zinc
same question: arsenic, bismuth, antimony, nitrogen
5. what is the mass number of an atom with 15 protons, 18 electrons, and 17 neurtons.

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