Answer:
It's A.
Atoms that have the same number of valence electrons in their outer shell have similar properties and belong to the same family of elements.
Answer:
Physical change because even though gas formation was observed, the water was undergoing a state change, which means that its original properties are preserved.
Explanation:
The gas formation seen is in fact the transition of the liquid water to a gas state, not the formation of a new gas.
Answer:
It becomes negative
Explanation:
protons carry a positive charge
neutrons carry a neutral charge
electrons carry a negative charge
if we add 2 more electrons, the charge of the ion becomes negative
thank you.
<span>resistance impedes flow of electricity to shorten the voltage of a circuit </span>
Because water molecules are polar, water can dissolve many other polar substances. Water can also dissolve ionic compounds such as table salt.