2.1

Question 1

the position/mass/charge/function of protons, neutrons, and electrons

Answer 1

protons have a charge of +1, and neutrons are uncharged. Electrons have a mass of approximately 0 amu, orbit the nucleus, and have a charge of -1.

Question 2

Definition of isotope

Answer 2

A form of a chemical element in which the atoms have the same number of protons (part of the nucleus of an atom) but with a different number of neutrons (part of the nucleus of an atom).

Question 3

Determine the atomic mass, element, and ion charge of an atom based on # of protons, electrons, and neutrons

Answer 3

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Question 4

Determine the # of protons, electrons, and neutrons when given the element, atomic mass, and ion charge

Answer 4

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Question 5

Explain why isotopes can be useful in scientific research

Answer 5

you can use it to find the dates of how old something is.

Question 6

proton charge

Answer 6

+

Question 7

electron charge

Answer 7

-

Question 8

neutron charge

Answer 8

no charge

Question 9

Does changing the amount of protons matter

Answer 9

yes changes element

Question 10

Does changing the amount of neutrons matter

Answer 10

No does not change