0°C
Explanation:
The freezing point of water is zero (0) degrees Celsius. Converted to Kelvin it is 273.15 kelvin. At these temperatures pure liquid water, and at 1 atm, changes to ice. The boiling point of water, on the other hand, is 100 degrees Celsius, temperatures at which liquid changes to a gaseous phase (water vapour).
Answer:
C
Explanation:
Because 2 x n square gives the total energy level been absorbed = 2 x16
=32
Answer:
11
Explanation:
According to the periodic table Sodium (Na) has 11 electrons.
<span>This is a covalent bond, a bond in which atoms share electrons. Covalent bonding generally happens between nonmetals. Covalent bonding is the type of bond that holds together the atoms within a polyatomic ion. It takes two electrons to make a covalent bond, one from each bonding atom.
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