Question

An atom is generally neutral mealting of ice into physical change​

Answer 1

Answer:

Changing states of matter

Let’s review how matter can change its state. The phase or state that a substance is in (solid, liquid, gas, or plasma) depends upon its temperature and the amount of pressure exerted on it. During changes of state, energy is either released (exothermic) or absorbed (endothermic). Typically, if you continue to add energy to a solid, it will melt and become a liquid. If you continue to add energy to the liquid, it will vaporize and become a gas. If you continue to add energy to a gas (>2000°C with steam), the atoms will eventually be shaken apart, making plasma of free electrons and bare atomic nuclei. In most cases, if you extract enough energy from the substance, you can reverse the process (plasma -> gas -> solid). It is possible for some substances to “skip” a phase. For example, ice molecules can skip directly from a solid to a gaseous state in a process called sublimation.

Normally, the objects (matter) around us (all of which are composed of electrons, protons, and neutrons) have equal numbers of charged particles (protons and electrons). This balances the total charge of the object, making it uncharged or neutral. An imbalance occurs when electrons have been added or removed from the object (i.e., as with static electricity). If an object has more electrons than protons, it is negatively charged. If an object has fewer electrons than protons, it is positively charged. Electrons cannot be destroyed; they can only be transferred.

Answer 2

Explanation:

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