Answer:
1) H2O
Explanation:
this is because there is a bond between two nonmetals, Hydrogen and oxygen, so the bond is covalent. all the other are bonds between a metal and nonmetal so it is ionic.
Liquid nitrogen is nitrogen in a liquid state at an "extremely low temperature. It is a colorless clear liquid with a density of 0.807 g/ml at its boiling point (−195.79 °C (77 K; −320 °F)) and a dielectric constant of 1.43.
3, 2, 1, 6
Explanation:
To balance the chemical equation the number of atoms of each element
entering the reaction have to be equal to the number of atoms of each
element leaving the reaction, in order to conserve the mass.
In our case we have:
3 CaCl₂ + 2 Na₃PO₄ → Ca₃(PO₄)₂ + 6 NaCl
So the stoechiometric coefficients will be:
3, 2, 1, 6
Learn more about:
balancing chemical equations
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Answer:
The ability for a pond to freeze over in the winter is a physical property.
Answer:
potassium bromide can only conduct electricity when in an aqueous solution due to the electrostatic force between the ionic bonds
