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3/3 part Analysis and Conclusion:

What causes an atom to become negatively charged?

What causes an atom to become positively charged?

What particle determines the name of the element?

Which particles compose the nucleus?

How is the mass number determined?

What is the name of an element with 3 protons and 3 neutrons?

What is the name of an element with 3 protons and 5 neutrons?

What is the name of an element with 5 protons and 3 neutrons?

What can be altered in an atom without changing its identity?

Reflection: Which particle do you think is most important in an atom? Why?

Was your hypothesis correct? Why or why not?

User Aadu
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Answer:

Analysis:

What causes an atom to become negatively charged?

An atom becomes negatively charged when it gains one or more electrons.

What causes an atom to become positively charged?

An atom becomes positively charged when it loses one or more electrons.

What particle determines the name of the element?

The number of protons in an atom's nucleus determines the name of the element.

Which particles compose the nucleus?

The nucleus of an atom is composed of protons and neutrons.

How is the mass number determined?

The mass number is determined by adding the number of protons and neutrons in an atom.

What is the name of an element with 3 protons and 3 neutrons?

The name of the element with 3 protons and 3 neutrons is lithium-6.

What is the name of an element with 3 protons and 5 neutrons?

The name of the element with 3 protons and 5 neutrons is lithium-8.

What is the name of an element with 5 protons and 3 neutrons?

There is no stable element with 5 protons and 3 neutrons.

What can be altered in an atom without changing its identity?

The number of neutrons in an atom can be altered without changing its identity.

Conclusion:

In conclusion, the number of protons in an atom's nucleus determines the element's name, and the nucleus is composed of protons and neutrons. The mass number is determined by adding the number of protons and neutrons in an atom. An atom becomes negatively charged when it gains electrons and becomes positively charged when it loses electrons. The number of neutrons in an atom can be altered without changing its identity.

Reflection:

In my opinion, the most important particle in an atom is the proton, as it determines the element's identity and properties. The number of protons in an atom's nucleus determines the element's name, and the number of electrons orbiting the nucleus determines its chemical properties. The neutron is also important as it helps stabilize the nucleus and determines the isotope of an element. However, the proton is crucial in determining the element's identity, which is essential in understanding the physical and chemical behavior of that element.

My hypothesis was that the proton is the most important particle in an atom, and I still hold this view. The proton determines the element's identity and is crucial in understanding its properties. The neutron is also essential in determining the isotope of an element and stabilizing the nucleus, but it does not determine the element's identity. The electron is important in determining the element's chemical properties, but it is not as crucial in determining the element's identity as the proton.

User VBK
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