Answer:
Chemical changes cause a substance to change into an entire substance with a new chemical formula. Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the results are called products.
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Answer:
Ammonia gas reacts with oxygen gas.
Nitric oxide gas and liquid water are produced.
Platinum is used as a catalyst.
The equation is unbalanced because the number of hydrogen atoms is not the same on both sides of the equation.
Explanation:
Answer:
In numerical order left to right, they are arranged by the number of protons in the nucleus of a single atom of each element
An atom with an atomic number of 10 and a mass number of 24 would have 14 neutrons.
<h3>What is atomic number and mass number?</h3>
The term atomic number, conventionally denoted by the symbol Z.
Atomic number indicates the number of protons present in the nucleus of an atom, which is also equal to the number of electrons in an uncharged atom.
The mass number of a given atom is defined by the number of protons and neutrons present in the nucleus. In simple,
Protons + Neutrons = Mass Number
To learn more about atoms, refer
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The particles in a solid are tightly packed and locked in place. Although we cannot see it or feel it, the particles are vibrating in place.
As these molecules heat up, they will vibrate more vigorously, and will eventually turn to water, then gas.
