Question

acetarsol (c₈asnh₁₀o₅) is the main ingredient in the medication used to treat amoebiasis, which is a disease caused by drinking freshwater, that is nonpotable, containing amoebas (unicellular protists). 1. which type of matter (ecm) is acetarsol (c₈asnh₁₀o₅)? explain 2. how many total atoms can be found in acetarsol (c₈asnh₁₀o₅)? 3. which p.t. group is arsenic (as) a member of? 4. how does its group react & why? 5. draw the atomic structure (model) of arsenic. use numbers

Explanation:

Step1: Identify matter type

Acetarsol is a compound as it is composed of different elements chemically - bonded together.

Step2: Count total atoms

For $C_8AsNH_{10}O_5$, we have 8 carbon (C) atoms, 1 arsenic (As) atom, 1 nitrogen (N) atom, 10 hydrogen (H) atoms and 5 oxygen (O) atoms. So the total number of atoms is $8 + 1+1 + 10+5=25$.

Step3: Determine arsenic's group

Arsenic (As) is in group 15 of the periodic table.

Step4: Explain group reactivity

Group 15 elements have 5 valence electrons. They tend to gain 3 electrons to achieve a stable octet. This makes them have a non - metallic character and they can form covalent compounds.

Step5: Describe atomic structure of arsenic

Arsenic has an atomic number of 33. It has 33 protons and 33 electrons. The electron configuration is 2, 8, 18, 5. In the atomic structure model, there are 33 protons and 42 neutrons in the nucleus (since the mass number of As is approximately 75 and mass number=protons + neutrons), and 33 electrons in 4 energy levels with 2 in the first level, 8 in the second, 18 in the third and 5 in the fourth.

Answer:

1. Compound
2. 25
3. Group 15
4. Group 15 elements have 5 valence electrons and tend to gain 3 electrons to achieve a stable octet, showing non - metallic character and forming covalent compounds.
5. 33 protons and 42 neutrons in the nucleus, 33 electrons in 4 energy levels: 2, 8, 18, 5.