17. . Which of the following increases with increasing atomic number in Group 2A? (A) atomic radius (B) electron affinity (C) fi
rst ionization energy (D) number of outermost electrons
1 answer:
Atomic radius, as the higher atomic numbers in 2A will have more electron energy levels, making them bigger.
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Umm i don't know but i need points lol
Answer: SMALLEST is lithium
LARGEST is Fluorine
Explanation:
Law of Definite Proportions.
Fog is an example a) colloid