14:37x5문☺ T4Ga) An element has 2 isotopes. The first has the following configuration: 29c²-. The secondisotope has one less neutron. Write the formula of second isotope in the 4Xe- format.b) An element has a mass number of 20, it has 9 neutrons and has lost an electron. Writethe isotope in the 4Xe format.c) How many electrons would a neutral atom have in the nucleus if it had 4 protons and 4neutrons?d) Write the electron configuration of a carbon atom that has gained 2 electrons.Add a caption...e) A strange sample has 2 isotopes with abundances 24.5% and 74.5%. The atomicmasses of the isotopes are 205.974 and 207.657. Calculate the atomic mass of thematerial and propose what the material might be?> Status (Custom)

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a) An element has 2 isotopes. The first has the following configuration: 2c². The second isotope has one less neutron. Write the formula of second isotope in the 4Xe-format.

Chemistry

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ISBN:9781305957404

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Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Atomic Structure

The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.

Shape of the D Orbital

Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.

Question

14:37
x
5문
☺ T
4G
a) An element has 2 isotopes. The first has the following configuration: 29c²-. The second
isotope has one less neutron. Write the formula of second isotope in the 4Xe- format.
b) An element has a mass number of 20, it has 9 neutrons and has lost an electron. Write
the isotope in the 4Xe format.
c) How many electrons would a neutral atom have in the nucleus if it had 4 protons and 4
neutrons?
d) Write the electron configuration of a carbon atom that has gained 2 electrons.
Add a caption...
e) A strange sample has 2 isotopes with abundances 24.5% and 74.5%. The atomic
masses of the isotopes are 205.974 and 207.657. Calculate the atomic mass of the
material and propose what the material might be?
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