Videos
(a)
Interpretation:
The name of the element that has a chemical symbol of
Concept Introduction:
Every element has a unique name and in most cases it was selected by the person who discovered it. For an element, abbreviation known as chemical symbol also exist for all elements name. Chemical symbol is simply one- or two-letter designation given for an element that is derived from the name of element. Chemical symbols occupy less space compared to chemical names.
In a chemical symbol, the first letter is always capitalized while the second letter is present in lower case. Two-letter chemical symbols are often the first two-letters of the chemical name of an element. Some elements symbol are derived from the Latin name of the element.
(b)
Interpretation:
The name of the element that has a chemical symbol of
Concept Introduction:
Every element has a unique name and in most cases it was selected by the person who discovered it. For an element, abbreviation known as chemical symbol also exist for all elements name. Chemical symbol is simply one- or two-letter designation given for an element that is derived from the name of element. Chemical symbols occupy less space compared to chemical names.
In a chemical symbol, the first letter is always capitalized while the second letter is present in lower case. Two-letter chemical symbols are often the first two-letters of the chemical name of an element. Some elements symbol are derived from the Latin name of the element.
(c)
Interpretation:
The name of the element that has a chemical symbol of
Concept Introduction:
Every element has a unique name and in most cases it was selected by the person who discovered it. For an element, abbreviation known as chemical symbol also exist for all elements name. Chemical symbol is simply one- or two-letter designation given for an element that is derived from the name of element. Chemical symbols occupy less space compared to chemical names.
In a chemical symbol, the first letter is always capitalized while the second letter is present in lower case. Two-letter chemical symbols are often the first two-letters of the chemical name of an element. Some elements symbol are derived from the Latin name of the element.
(d)
Interpretation:
The name of the element that has a chemical symbol of
Concept Introduction:
Every element has a unique name and in most cases it was selected by the person who discovered it. For an element, abbreviation known as chemical symbol also exist for all elements name. Chemical symbol is simply one- or two-letter designation given for an element that is derived from the name of element. Chemical symbols occupy less space compared to chemical names.
In a chemical symbol, the first letter is always capitalized while the second letter is present in lower case. Two-letter chemical symbols are often the first two-letters of the chemical name of an element. Some elements symbol are derived from the Latin name of the element.
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Chapter 1 Solutions
Study Guide with Selected Solutions for Stoker's General, Organic, and Biological Chemistry, 7th
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- The nuclei of a limited number of atoms are investigated to determine the number of protons and neutrons in each. The following table summarizes the results: helium 2 protons, 2 neutrons carbon 6 protons, 6 neutrons nitrogen 7 protons, 7 neutrons a. Form a scientific law based on these limited measurements. b. What other measurements could be carried out to further confirm this law? c. Devise a theory that would explain your law. d. How would the following results affect your theory and your law? uranium 92 protons, 143 neutrons chromium 24 protons, 28 neutronsarrow_forwardClassify each of the following as a law or a theory: a. In a chemical reaction, energy is neither created nor destroyed. b. All matter is composed of atoms. c. When the temperature of a gas is increased, the volume of the gas increases. d. Gases are composed of particles in constant motion.arrow_forwardCalculate the number of atoms in the universe. The following steps will guide you through this calculation: a. Planets constitute less than 1% of the total mass of the universe and can, therefore, be neglected. Stars make up most of the visible mass of the universe, so we need to determine how many atoms are in a star. Stars are primarily composed of hydrogen atoms and our Sun is an average-sized star. Calculate the number of hydrogen atoms in our Sun given that the radius of the Sun is 7108 m and its density is 1.4g/cm3. The volume of a sphere is given by V=(43)r3 (Hint: Use the volume and the density to get the mass of the Sun.) b. The average galaxy (like our own Milky Way galaxy) contains 11011 stars, and the universe contains 1109 galaxies. Calculate the number of atoms in an average galaxy and finally the number of atoms in the entire universe. c. You can hold 11023 atoms in your hand (five copper pennies constitute 1.41023 copper atoms.) How does this number compare with the number of atoms in the universe?arrow_forward
- What is different about the Greek philosophers approach to scientific knowledge and the approach taken today?arrow_forwardHow does an atom differ from a molecule? In what ways are they similar?arrow_forwarda Which of the following substances would you expect to be elements and which would you expect to be compounds? 1 aluminum sulfate; 2 osmium; 3 radon; 4 lithium carbonate; 5 dimethylhydrazine. b On what general rule do you base your answers to part a? Can you name any exceptions to this general rule for compounds?arrow_forward
- What is the chief factor that determines thephysical slateof a sample of matter?arrow_forwardCalculate the average density of a single Al-27 atom by assuming that it is a sphere with a radius of 0.143 nm. The masses of a proton, electron, and neutron are 1.67261024g,9.10941028g, and 1.67491024g, respectively. The volume of a sphere is 4r3/3, where r is its radius. Express the answer in grams per cubic centimeter. The density of aluminum is found experimentally to be 2.70 g/cm3. What does that suggest about the packing of aluminum atoms in the metal?arrow_forwardConstant Composition of Compounds Two samples of sugar are decomposed into their constituent elements. One sample of sugar produces 18.0 g carbon, 3.0 g hydrogen, and 24.0 g oxygen; the other sample produces 24.0 g carbon, 4.0 g hydrogen, and 32.0 g oxygen. Find the ratio of carbon to hydrogen and the ratio of oxygen to hydrogen for each of the samples, and show they are consistent with the law of constant composition.arrow_forward
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