Answer:
Magnesium Oxide (MgO) has a higher melting point than Sodium Chloride (NaCl) which is around 2,800 degrees Celcius. This is because its Mg2+ and O2- ions have a greater number of charges, and so form stronger ionic bonds, than the Na+ and Cl– ions in Sodium Chloride.
Answer:
protons neutrons and electrons
Yes because plants are a source of food for some animals
Answer: burning paper
Explanation:
The paper burns in air to form smoke and ash. which makes it a chemical change.
