Main terms in Atomic structure & Periodic table
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 is the definition of Atomic number? | The number of protons in an atom
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| What sub atomic particles are found in the nucleus? | Protons and Neutrons
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| What is the mass number of an atom? | The mass number is the number of protons and neutrons in an atom
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| What terms describe the particles found in the atoms? | Sub-atomic particles
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| How many naturally occurring elements are there? | 92
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| Definition of an atom? | Smallest particle of an element that still has the properties of that element
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| Charge on an electron | Negative
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| How many groups are there on the Periodic table? | 8
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| Group 1 are called? | Alkali metals
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| Group 8 are called? | Noble
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| The charge on a proton? | Positive
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| He discovered the Periodic table? | Dimitri Mendelev
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| Elements are arranged in the Periodic table according to? | Increasing Atomic number
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| Group 2 are called? | Alkaline Earth metals
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| The gas formed when group one metals react with water? | Hydrogen
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| The particles found in the nucleus of the atom? | Protons and Neutrons
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| The group number tells you? | How many electrons in the outer shell
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| The period number tell you? | How many shells/orbits the atom has
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| Reactivity increases going across the Periodic table? True or False | False, decreases going across table
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| Which is the most reactive of these 3 group 1 metals? Sodium, Potassium, Lithium | Potassium
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| What are the two types of chemical bonding? | Ionic and covalent bonding
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| Ionic bonding occurs between a metal and a _____________ | non-metal
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| Elements react because they want to achieve a __________ outer shell of __________ electrons | full, eight
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| The metal becomes _____________ charged when it loses an electron | positively
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| An element that has lost or gained electrons to become charged is known as a _____________ | Ion
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| Where electrons are shared this is known as _______________ bonding | Covalent
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| Covalent bonding occurs between two ___________ ____________ | Non-metals
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| Sodium chloride and magnesium oxide have what type of bonding | Ionic
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| When a element gains electrons it becomes ____________ charged | Negatively
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| Water, methane and carbon dioxide have what type of bonding? | Covalent
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