Chemistry
Grade-9
Easy
Question
Which elements are to the right of the zig-zag?

- Metals
- Non-metals
- Metalloids
- Superconductors
Hint:
Right side of the periodic table are non metals.
The correct answer is: Non-metals
- There are 118 elements in the periodic table arranged in 18 groups and 7 periods.
- In the left side of the periodic table metals are present.
- In the right side of the periodic table non metals are present.
- Right side of the zig-zag line are non metals.
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The order of elements in the modern periodic table is based on an element's
- Atomic number
- Name
- Chemical symbol
- Atomic mass
The order of elements in the modern periodic table is based on an element's
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- Atomic number
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In the 6th period how many elements are present.
- 18
- 32
- 50
- 72
In the 6th period how many elements are present.
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- 18
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Which sort of substances are included in the Periodic Table?
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Which sort of substances are included in the Periodic Table?
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Elements in a period
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Elements in a period
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- Are arranged alphabetically
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- Have the same number of electron shells
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Choose the incorrect statement about the trends in the properties of the elements of a period going from left to right from the following statements.
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- The oxides become more acidic.
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Columns of the periodic table are called
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Columns of the periodic table are called
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Which elements have the most similar chemical properties?
- K and Na
- K and Ca
- K and Cl
- K and S
Which elements have the most similar chemical properties?
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Each element is unique based on its number of protons, also known as the
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If an atom had the same properties as fluorine (F), it would probably be located in
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If an atom had the same properties as fluorine (F), it would probably be located in
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- Period 1
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Which among these is a halogen?
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Which color on the image of the periodic table corresponds with the noble gases?

- Red
- Black
- Blue
- Orange
Which color on the image of the periodic table corresponds with the noble gases?

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What is the name given to the last group in the periodic table?
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What information does the mass number convey?
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- The number of electrons and protons.
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How many neutrons are in this element?

- 79
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- 118
- Cannot be determined
How many neutrons are in this element?

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The atomic number of this Na is
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- 22
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The atomic number of this Na is
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