atoms to bonding
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What part of an atom has a positive charge? | proton
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| What part of an atom has no charge? | neutron
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| What part of an atom has a negative charge? | electron
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| What does the atomic number tell us? | number of protons in the nucleus
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| What does the atomic mass tell us? | the total number of protons and neutrons, in the nucleus of an atom, combined
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| In a neutral atom, the number of protons is equal to the number of... | electrons
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| What is the atomic mass unit (AMU) of a proton? | 1
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| What is the atomic mass unit (AMU) of an electron? | 1/1800
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| What is the atomic mass unit (AMU) of a neutron? | 1
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| How can you find the number of neutrons in an element? | atomic mass - atomic number
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| What is the building block of all matter? | atoms
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| An atom with a charge is called an... | ion
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| An atom more electrons is an ion with what type of electrical charge? | negative
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| An atom more protons is an ion with what type of electrical charge? | positive
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| How many electrons can fit into an atom's first energy level? | 2
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| How many electrons can fit into an atom's second energy level? | 8
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| How many electrons can fit into an atom's third energy level? | 18
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| When bonding, how many electrons does each element want in it's outer energy level? | 8
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| The nucleus of an atom has what charge? | positive
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| What is the smallest particle in an atom? | the electron
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| The Periodic Table is arranged by increasing... | atomic number
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| Is water (H20) a compound or an element? | compound (two or more elements are CHEMICALLY combined)
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| Is oxygen (O) a compound or an element? | an element (made of 1 KIND of atom)
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| If Lithium (Li) has an atomic number of 3 and an atomic mass of 7, how many electrons does it have? | 3 (atomic # = # of protons and electrons in a NEUTRAL element)
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| If Lithium (Li) has an atomic number of 3 and an atomic mass of 7, how many neutrons does it have? | 4 (atomic mass - atomic # = neutrons)
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| Why are atoms electrically neutral? | # of protons = # of electrons
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| Are all three parts of an atom the same size? | no (protons and neutrons have a mass of 1, electrons have a mass of 1/1800 because they are too small to count)
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| Why is CO2 a compound? | Two or more elements are CHEMICALLY combined.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
Mr.McKeehan
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