Several ionic compounds are shown below. a. Circle those that can be used as sources of the electrolytes shown in the figure above. b. Underneath, write the ions that can come from the electrolytes when dissolved in water. If more than one of the ion forms, write the number of those ions next to the symbol, for instance AlF3 would have 1 Al3+ ion and 3F-ions. c. Write a C next to the cation and an A next to the anion from each compound. Note: Two polyatomic ions, SO42- and NH4+, are present in some of the compounds. NaCl CaCl2 K2SO4 (NH4)2SO4
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
3. Several ionic compounds are shown below.
a. Circle those that can be used as sources of the electrolytes shown in the figure above.
b. Underneath, write the ions that can come from the electrolytes when dissolved in water. If more than one of the ion forms, write the number of those ions next to the symbol, for instance AlF3 would have 1 Al3+ ion and 3F-ions.
c. Write a C next to the cation and an A next to the anion from each compound.
Note: Two polyatomic ions, SO42- and NH4+, are present in some of the compounds.
NaCl CaCl2 K2SO4 (NH4)2SO4
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