I think the correct answers from the choices listed above are the first, third and the last option. Ionic compounds are compounds that dissociates into ions when in aqueous solution. From the list, NH4Cl, KF and MgO are the ionic compounds. Hope this answers the question.
Answer:
Group 18, also known as the Noble Gasses
Explanation:
Atoms strive for full stability by gaining or losing electrons to get 8 valence electrons in their valence shell, but Group 18 already has 8 electrons in their valence shell, and are therefore already stable in their ground state.
Answer:
The answer is B. Limiting factors can lower birth rates, increase death rates.
Answer:
A family in the periodic table is a group of related elements.
Explanation:
Answer:
Potassium selenide
Explanation:
Potassium selenide (K2Se)
