Answer:
6. protons, mass number from the atomic number
7. Li= ,
(1) 14C also known as Carbon-14, is used to radio-date organic materials as well as earth materials.
Answer:
The atomic mass number is the number of protons and neutrons in an atom.
Answer:
0.032 L or 32 mL
Explanation:
Use the dilution equation M1V1 = M2V2
M1 = 9.0 M
V1 = This is what we're looking for.
M2 = 0.145 M
V2 = 2 L
Solve for V1 --> V1 = M2V2/M1
V1 = (0.145 M)(2 L) / (9.0 M) = 0.032 L
Answer:
The answer to this question has been described in details on the screenshots attached to this question.
Thanks. Hope it helps