Junior Cert Science
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 an atom | An atom is the smallest part of an element that still has the properties of that element
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| Name the three parts of an atom | Proton, Neutron, Electron
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| Which parts of an atom has an atomic mass of 1amu | Protons and neutrons
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| What part of an atom has an atomic mass of 1/1840amu | Electron
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| What charge has a proton | Positive
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| What charge has an electron | Negative
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| What charge has a neutron | Neutral
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| Where are protons and neutrons located | In the nucleus
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| Where are electrons located | In shells orbiting the nucleus
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| What is the atomic number | The atomic number of an atom is the number of protons it has in its nucleus
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| What does amu stand for | atomic mass unit
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| What is the electronic configuration of an element | This is a way of writing the arrangement of electrons numerically e,g, Sodium, atomic number=11, electronic configuration 2,8,1
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| What is the mass number | The larger number listed below the element symbol in periodic table of elements its equals the number of protons + the number of neutrons
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| If an atom of sodium has 11 protons and its mass number is 23, how many neutrons does it have | 12 neutrons
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| What is an isotope | Isotopes are atoms of the same element, which have different numbers of neutrons
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| What do all elements in group 1 have in common | They all have 1 electron in their outer shell and they behave in a similar manner chemically
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| What do all elements in group 8 have in common | They all have a full outer shell and they behave in a similar manner chemically
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| How are elements arranged in the periodic table of elements | In order of increasing atomic number
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| What do you call the vertical columns in a periodic table | Groups
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| What are the Group 1 elements called | Alkali metals
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| Name three alkali metals | Lithium, sodium, potassium
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| What are group 2 metals called | Alkaline earth metals
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| Name two alkaline earth metals | Magnesium and calcium
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| What are group 7 elements called | Halogens
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| Name two halogens | Fluorine and chlorine
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| What are group 8 elements called | Noble gases
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| Name two noble gases | Helium and Neon
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| What are the horizontal rows in a periodic table called | Periods
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| What does the number of periods (rows) in a periodic table represent | The number of shells an atom has
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| What is the main division in the periodic table | Metals on the left and middle, non metals on the right
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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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.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
gcu science
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