Answer:
2Mg^+ +O2 right arrow 2MgO
Explanation:
Its a single Displacement reaction
Physical properties include: appearance, texture, color, boiling point, melting point, ect.
False
only observing chemical property will change its identity
<em>The number of protons and electrons in a neutral atom of the element are;</em>
D. 29 protons and 29 electrons
<u>The atomic number of an element is equal to the number of protons in the nucleus of each atom of that element.</u>
<u>Thus copper has an atomic number of 29, all atoms of copper will have 29 protons.</u>