Fill in the following blanks with an appropriate chemical symbol, number, or wor

Question

Fill in the following blanks with an appropriate chemical symbol, number, or word: Calcium has the electron configuration 1s^2, 2s^2, 2p^6, 3s^2, The element with 14 protons in its nucleus is The least electronegative element in the third period (row) of the Periodic Table is nucleus is An sp^2 carbon atom forms one bond. The pentamer of hydrogen cyanide found in DNA and ATP is named The second row element which has a [+1] charge in compounds when it forms three bonds is Any salt is composed of Carbon monoxide contains how many valence electrons; and if each atom has a pair of non- bonding electrons in its Lewis formula, what is the charge on the C atom? The nitrogen atom in formaldehyde imine (CH_3N) is N hybridized. ROH stands for any while RCO_2R' is any carboxylate The normal alkane containing 15 carbons is named How many isomeric alcohols are butyl alcohols and all have the molecular formula The pi (pi) bond between two sp2 carbon atoms is made by the overlap of two C atomic orbitals. A triple bond contains two bonds at right angles to each other. Give the length of a C-C single bond and state the units used The general molecular formula for a bicycloalkane is

Explanation / Answer

1) calcium electronic configuration is 1s2 2s2 2p63s23p6 4s2

2) Element with 14 Protons in its nucleus is Si (Silica)

3) Least electronegative element in 3rd period of periodic table is Na(sodium) as the electronegativity increases from left to right in periodic table

4) An sp2 carbon atom forms one sigma bond

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