PLEAS HELP
chlorine gas (CI) is toxic and sodium (Na) is explosive? yet, together they make common table salt. why do they form a chemical bond?
A)together these two elements form a more stable molecule
B)sodium is a non metal and chlorine is a metal -nonmetals and metals always form a bond
C)chlorine is on the left side of the periodic table in group 1 and these elements always form bonds
D)chlorine has two protons and they transferred to sodium to form the salt molecule
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Ответ:
Both ions have complete valence shells and are energetically more stable. I’d assume D because the protons need to transfer.
Ответ:
the humoral immune response is mediated by antibodies (produced by b-cells). antibodies are not formed in cell-mediated immune response. receptors are used in cell-mediated immunity to detect antigens. antibodies are used in humoral immunity to detect antigens.