<span>Ionic compounds are chemical compounds in which ions are held together in a lattice structure by ionic bonds. They have a high melting and boiling point, and they have a high hardness and are very brittle. The cations and anions are stuck together in a sense. So in this case, sodium (Na) is attracted to Chlorine (Cl).</span>
Answer:
francium, caesium, helium
Out of the choices given, the one that describes a substance whose atoms all have the same number of protons are an element. The correct answer will be B.
Answer:
Sugar dissolution in water is a physical change and not a chemical change because, when sugar is mixed in water, the water molecules break down the sugar molecules so, as a result sugar changes it's shape and gets dissolved in the water attaching the chain bonding between them.
Explanation:
<h2><em>multiple </em><em>choice</em></h2>
- <em><u>A</u></em>
- <em><u>A</u></em>
- <em><u>B</u></em>
- <em><u>A</u></em>
- <em><u>C</u></em>
- <em><u>D </u></em><em><u>(</u></em><em><u> </u></em><em><u>I'm </u></em><em><u>not </u></em><em><u>sure</u></em><em><u>)</u></em>
- <em><u>A</u></em>
<em><u>hope </u></em><em><u>it</u></em><em><u> helps</u></em>
