Subatomic Particles, chemistry homework help
Subatomic Particles, chemistry homework help
1.) Fill in the blanks with the appropriate charge corresponding to the given situation:
You must include the charge for the answer to be correct! Enter the number first, followed by the charge.
Lost five electrons:
Gained two electrons:
Lost three electrons:
Gained four electrons:
2.) Enter the correct number of electrons in the corresponding blanks:
Ion
Number of electrons
Al3+
Fe3+
Mg2+
Sn2+
Co2+
Co3+
Li+
Cr3+
Rb+
Pt2+
3.)Enter the correct number of protons and electrons in the corresponding blanks:
Ion
Number of protons
Number of electrons
Co2+
Co3+
Cl–
K+
S2-
Sr2+
Al3+
P3-
H+
Ce3+
4.)
For each of the following Atomic Numbers, enter the correct corresponding element symbol and charge:
Capitalization counts! The element symbol is case sensitive.
You must include the + or – sign for your charge to be counted correct.
Atomic Number
Element Symbol
Ion Charge
11
53
38
55
88
9
13
33
12
20
When asked to enter the charge of the ion, you must enter the number along with the + or – for your answer to counted correct. Just entering a + or – with no number implies a charge of 1+ or 1-. So, if you end up with two more protons than electrons, you must enter the value as 2+ (or +2; I have set up the assignment to accept either ).
5.)
Enter the correct number of protons, neutrons, and electrons for the given ion:
Ion
Protons
Neutrons
Electrons
Ni2+-59
Zr4+-91
Se2–79
Mg2+-24
Ag+-108
Po4+-209
Ta5+-181
Ga3+-70
Zn2+-66
Os8+-190
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