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Chapter 7: PerTable

Horizontal Rows on the periodic table are called... Periods
An example of a chemical property of a substance is its:a. melting point.b. specific heat.c. reaction rate.d. density. c reaction rate
Horizontal rows on the periodic table are called:a. periods.b. groups.c. columns.d. boxes. a periods
All of the following are characteristics of metals EXCEPT:a. shiny.b. good conductors.c. ductile.d. brittle. d brittle
Characteristics of non-metals include all of the following EXCEPT:a. ductile.b. brittle.c. poor conductors.d. dull. a ductile
The location of metals on the periodic table is on the:a. from the middle to the left side of the table.b. on the top part of table.c. from the middle to the right side of the table.d. bottom part of the table. a from the middle to the left side
Most non-metals on the periodic table are located on the:a. left side of the table.b. bottom part of the table.c. right side of the table.d. top part of the table. c right side of the table
An atomic mass unit is the approximate mass of a single:a. electron.b. proton.c. carbon atom.d. carbon molecule. b proton
As the atomic numbers of elements increase, their atomic weights:a. increase.b. decrease.c. remain the same.d. are unrelated to a change in their atomic numbers. a increases
Steel can be described as all of the following EXCEPT a(n):a. mixture.b. conductor.c. alloy.d. element. c alloy
Of the following elements, the one most essential to life on Earth is:a. oxygen.b. iron.c. carbon.d. silicon. c carbon
Elements used to make semiconductors for computers include germanium and:a. oxygen.b. iron.c. carbon.d. silicon. d silicon
The most abundant element in Earth’s crust is:a. oxygen.b. silicon.c. carbon.d. nitrogen. a oxygen
The element that is shiny in appearance, quite dense and liquid at room temperature is:a. silver.b. aluminum.c. mercury.d. zinc. a silver
When the outermost energy level of an atom is filled, at room temperature, the resulting element:a. is often quite dense.b. does not interact strongly with other atoms.c. occurs as a gas.d. generally occurs as a solid. a is often quite dense
Most elements with high melting points have:a. filled energy levels.b. half-filled energy levels.c. empty energy levels.d. no other common characteristics. b half filled energy levels
An example of a metalloid, elements with properties between metals and non-metals, isa. iron.b. silicon.c. oxygen.d. copper. b silicon
Atomic weight is approximately the same as:a. the atomic number.b. an atomic mass unit.c. the mass number.d. the element symbol. c the mass number
The second energy level of a single oxygen atom contains six electrons. The total number of electrons found on an oxygen atom is:a. 2b. 6c. 8d. 16 c 8
The total number of electrons the first three energy levels of an atom can hold is:a. 2b. 6c. 10d. 18 d 18
Electrons are found in the third energy level for atoms of the element:a. chlorineb. brominec. boron.d. lithium. a chlorine
Created by: jmontgomery