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Chapter 2 – Study Guide What is the law of conservation of mass? On your own...

Chapter 2 – Study Guide

What is the law of conservation of mass? On your own words, describe the law of conservation of mass.

What is the law of definite proportion? On your own words, describe the law of definite proportion.

What is the Dalton’s atomic theory? On your own words, describe his theory.

Are the atoms of a given element identical or different? What about the atoms of different elements, are they identical or different?

How are chemical compounds formed (according to Dalton’s atomic theory?

What happens to the atoms of the different elements during a chemical reaction?

Do the chemical characteristics of an atom change during a chemical reaction?

Describe the work done by J. J. Thompson.

Describe the work by Robert Millikan.

Is the charge of an electron negative or positive?

The atom contains two different types of charged particles, what are the charges of these particules?

What is the magnitude of the charge of a single electron? What is the mass of an electron?

Describe the nucleus of an atom. What type of particles are found inside the nucleus?

Where are electrons found?

Define the following terms and state where are they found: electrons, protons and neutrons.

What are isotopes?

Two isotopes of the carbon atom are carbon-12 and carbon-13. How different are the properties of carbon-12 when compared to the properties of carbon-13?

What determines the chemical properties of an element, the electrons, the protons or the neutrons?

The carbon atom has 6 protons and 6 electrons. For the isotope of carbon-12 and the isotope of carbon-13, determine the number of neutrons for each isotope.

A certain isotope contains 8 protons and 10 protons. What is the mass of this isotope? Identify the element of this isotope.

On a covalent bond, are electrons shared or not? Describe a covalent bond. Is a covalent bond formed by attraction of forces?

What is an ion? What is a cation? What is an anion?

On an ionic bond, are electrons shared or not? Describe an ionic bond. Is an ionic bond formed by attraction of forces?

What is the periodic table? Describe the periodic table.

Lithium, sodium and potassium belong to the same family. Are their chemical properties similar or different?

Looking at a periodic table, identify the metal and nonmetal section of the periodic table.

How many periods are there on the periodic table? How many families?

Lithium, calcium, chlorine and neon belong to family number 1, 2, 7 and 8, respectively, on the periodic table. Which one of these elements can form an ion? For those elements that form ions, what is the respective charge of the corresponding ion? If sodium and potassium also belong to family 1, what would be the charge of the ion formed by these two ions?

What is a binary compound? Describe an ionic and a covalent binary compound. What types of elements are found in a covalent compound? What types of elements are found in an ionic compound?

Describe the rules to name a binary covalent compound and a binary ionic compound.

Memorize the names for polyatomic compounds on table 2.5.

What is an acid? What are the rules to name acids?

Is the name potassium chloride correct or not? Why or why not?

Learn the name and the symbol for all elements on the periodic table.

Expert Solution

queen_honey_blossom answered 2 years ago

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