Chemistry, 21.02.2021 18:50, chimwim7515
Select the correct answer.
The elements beryllium, calcium, and strontium are all in group 2. What is the correct relationship of these elements regarding their ionization energy?
A.
Ca < Be < Sr
B.
Sr < Be < Ca
C.
Be < Ca < Sr
D.
Sr < Ca < Be
E.
Ca < Sr < Be
Answers: 3
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Which atom or ion is the largest? 0 a. 0 0 0 0 e. li
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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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