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(a)
Interpretation:
The location of
Concept Introduction:
Periodic law states that if the elements are arranged in increasing order of
Location of an element in a periodic table can be given by the period number and the group number. The horizontal row in a periodic table where the elements are present is known as Period. The vertical column in a periodic table where the elements are present is known as Group.
(b)
Interpretation:
The location of
Concept Introduction:
Periodic law states that if the elements are arranged in increasing order of atomic number, then the elements with similar chemical properties occur at regular intervals or periodic intervals. The elements are arranged in a periodic table in which the arrangement was based on the atomic number of the elements and the elements that have similar chemical properties are positioned in vertical columns.
Location of an element in a periodic table can be given by the period number and the group number. The horizontal row in a periodic table where the elements are present is known as Period. The vertical column in a periodic table where the elements are present is known as Group.
(c)
Interpretation:
The location of
Concept Introduction:
Periodic law states that if the elements are arranged in increasing order of atomic number, then the elements with similar chemical properties occur at regular intervals or periodic intervals. The elements are arranged in a periodic table in which the arrangement was based on the atomic number of the elements and the elements that have similar chemical properties are positioned in vertical columns.
Location of an element in a periodic table can be given by the period number and the group number. The horizontal row in a periodic table where the elements are present is known as Period. The vertical column in a periodic table where the elements are present is known as Group.
(d)
Interpretation:
The location of
Concept Introduction:
Periodic law states that if the elements are arranged in increasing order of atomic number, then the elements with similar chemical properties occur at regular intervals or periodic intervals. The elements are arranged in a periodic table in which the arrangement was based on the atomic number of the elements and the elements that have similar chemical properties are positioned in vertical columns.
Location of an element in a periodic table can be given by the period number and the group number. The horizontal row in a periodic table where the elements are present is known as Period. The vertical column in a periodic table where the elements are present is known as Group.
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Chapter 3 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- 11.68 Acetylene (ethyne) gas reacts with oxygen and burns at 3300 °C in an acetylene torch. (7.4, 7.7, 8.6, 11.4, 11.5) a. Write the balanced chemical equation for the complete combustion of acetylene. b. What is the molar mass of acetylene? c. How many grams of oxygen are needed to react with 8.5 L of acetylene gas at STP? d. How many liters of CO2 gas at STP are produced when 30.0 g of acetylene undergoes combustion?arrow_forwardThe radioactive isotope Yttrium-90 (Y-90, Z=39), a beta emitter, is used in cancer treatment and as a colloidal injection into large joints to relieve the pain of arthritis. What is the abbreviated formula of the "daughter nuclide" produced in the nuclear reaction? A. none of the above B. Zn - 90 C. Br - 88 D. Y- 90 E. Zr - 90arrow_forwardWrite the nuclear equation for the beta decay of Bi-214.arrow_forward
- 238. 234. 14) Uranium-238 ( 92") decays to form thorium-234 ( 90 h) with a half-life of 4.5 x 10° years. How many years will it take for 75% of the uranium-238 to decay? а) 9.0х 10 years с) 9.0х10° years b) 4.5 x 10° years d). 3.8 х 10° усаrsarrow_forwardWhy do you think compounds containing the heavy metal lead are poisonous?arrow_forwardPolonium is a rare element with 33 radioisotopes. The most common one, 210Po, has 82 protons and 128 neutrons. When 210Po decays, it emits an alpha particle, which is a helium nucleus (2 protons and 2 neutrons). 210Po decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. For example, they can be stopped by a single sheet of paper or a few inches of air. That is one reason that authorities failed to discover toxic amounts of 210Po in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of 210Po become after it emits an alpha particle?arrow_forward
- Copper(II) acetate containing 6Cu is used to study brain tumors. This isotope has a half-life of 12.7 hours. If you begin with 25.0 ug of "Cu, what mass remains after 63.5 hours?arrow_forwardDetermine the mass in grams of 6.42 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01 g.)arrow_forwardA 10.00 mg sample of technetium-93 (92.91024898 u) is used to heat 125.4 g of water from 23.4 degree C to 87.4 degree C. How many minutes will be required to heat the water if all of the energy generated from the decay is used to heat the water?arrow_forward
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