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12 Cards in this Set
- Front
- Back
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In a modern periodic table, elements are arranged in order of?
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Increasing atomic number.
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How many grams are in 4 kilograms if 1 kilogram = 1000 grams?
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4000 grams.
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How many protons does Boron have?
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5 protons.
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Which of the following elements is a metalloid?
A. copper B. indium C. silicon D. carbon |
A. copper.
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What is the octet rule?
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The octet rule states that atoms tend to combine in a way that they each have eight electrons.
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What is a cation?
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A positively charged ion.
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Why are noble gases so unreactive?
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Have full outermost electron shells.
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How many meters are in a hectometer?
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100 meters.
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An element that is shiny and conducts electricity is likely to be a?
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A metal.
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How many periods does the modern periodic table have?
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7 periods.
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how many valence electrons does Magnesium have?
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2 valence electrons.
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The pull of an atom on another atom’s electrons is known as what?
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Covalent Bonds.
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