Counney oChem 1211 Review I. Atoms and Chemical Bonding Texthook Pages: 49-57,74

Question

Counney oChem 1211 Review I. Atoms and Chemical Bonding Texthook Pages: 49-57,74-81 Isotopes, ions and subatomic particles: https:/lwww.youtube.com/watch?vec3TOcypnCzo Problems 1) Use the periodic table to classify the following atoms as metals, nonmetals, or metallolds. a) K b) C c) V d) 1 e) As Pu 2) Indicate the charges on the following subatomic particles and where they are found in the atom. a) Protons: b) Electrons: c) Neutrons: 3) Complete the following table IsoeopeAtomic Number Mass Number Number of Numberof Number of 12 10 30 37 30 4) Use the periodic table to predict the charges that the following atoms will have when they form ions a) Ca b) o c) Br d) Al e) Cs 5) Describe ionic bonds and covalent bonds and explain their differences. In your explanation include what types of atoms are likely to be involved in each type of bond and what is happening to the electrons of the atoms involved 6) Indicate what types of chemical bonds are present in the following compounds (ionic, covalent, or both). a) H20 b) CaC c) Cuod) NaNO3 SF6 Extra Problems from the Book: Chapter 2: 19, 21, 23, 27,29, 31, 33, 39

Explanation / Answer

1) K - Potassium is a metal (called as alkali metal) which belongs to Gr IA (s-block)

C- Carbon is a nonmetal which belongs to Gr IVA (p-block)

V- Vanadium is a metal (called as transition metal) which belongs to GrVB (d-block)

I - Iodine is a nonmetal (called as halogen) which belongs to Gr VII A (p-block)

As- Arsenic is a metalloid (metalloids are not actual metals but they have metal like charecteristics)which

belongs to Gr VA

Pu - Plutonium is a metal (Inner transition metal or also known as Actinides) belongs to Actinide series

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