Alkaline earth metals consist of elements in group 2A of the periodic table, which contain 2 valence electrons.
Answer from: Quest
Cr(oh)3 -> cr(3+) + 3oh-
Answer from: Quest
it's c. elements are placed in rows based on how may valencies electrons have.
Another question on Chemistry
Chemistry, 22.06.2019 06:00
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.
In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent
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