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Science Homework 14th April 2024

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Heinrich Von Schellendorf
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10 Questions

What is the charge of a cation?

Positive

Where are non-metals typically located on the periodic table?

Right side

How is millimetres converted into micrometres?

  • 1000

What does the period number of elements in the periodic table indicate?

Number of shells

What information does the group number of elements in the periodic table provide?

Number of valence electrons

In which direction do you move on the periodic table to go from metals to non-metals?

Right

What is the relationship between converting micrometres to nanometres and converting nanometres to picometres?

Both involve multiplying by 1000

What characteristic of an element can be determined based on its group number in the periodic table?

Number of valence electrons

What happens to the charge when an atom becomes an anion?

It increases negatively

How does the number of shells in an element relate to its position on the periodic table?

Elements with fewer shells are on the right side

Study Notes

Ions

  • A cation is a positively charged atom.
  • An anion is a negatively charged atom.

Periodic Table

  • Metals are located on the left side of the periodic table.
  • Non-metals are located on the right side of the periodic table.

Unit Conversions

  • To convert metres to millimetres, multiply by 1000.
  • To convert millimetres to micrometres, multiply by 1000.
  • To convert micrometres to nanometres, multiply by 1000.
  • To convert nanometres to picometres, multiply by 1000.

Periodic Table Information

  • The group number of an element in the periodic table indicates the number of outer shell electrons.
  • The period number of an element in the periodic table indicates the number of shells.

Test your knowledge on cations, anions, periodic table placement of metals and non-metals, and metric system conversions from metres to picometres. Also includes information on the periodic table groups.

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