A part of the periodic table is shown.
3 Li 4 Be
11 Na 12 Mg
19 K 20 Ca
Whi...
Chemistry, 10.11.2020 19:40 maddieb1011
A part of the periodic table is shown.
3 Li 4 Be
11 Na 12 Mg
19 K 20 Ca
Which of the following elements is less reactive than the others?
Select one:
a. Beryllium (Be)
b. Calcium (Ca)
c. Lithium (Li)
d. Magnesium (Mg)
Answers: 3
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