Grade 9 Science – Unit 3 – Chemistry Chemical Symbols Atoms and Elements More Periodic Table Physical Properties 11111 22222 33333 44444 55555 More Bohr.

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Presentation transcript:

Grade 9 Science – Unit 3 – Chemistry Chemical Symbols Atoms and Elements More Periodic Table Physical Properties More Bohr Rutherford Diagrams

He

What is Helium?

Na

What is Sodium?

Ne

What is Neon?

Fe

What is Iron?

Au

What is Gold?

The number of atoms in Acetic acid (vinegar) C 2 H 4 O 2

What is EIGHT?

The number of atoms in Glucose (sugar) C 6 H 12 O 6.

What is 24?

The number of atoms in Calcium phosphate Ca 3 (PO 4 ) 2

What is 13?

The number of elements in Acetylsalicylic acid (aspirin) C 9 H 8 O 4

What is THREE?

The number of elements in Calcium carbonate (chalk) CaCO 3

What is THREE?

The number of electrons in the OUTER SHELL

What is EIGHT?

The element in this diagram

What is NEON?

It is the element with two dots on the first shell closest to the nucleus, eight dots on the second shell and then three dots on the outer shell to total 13 electrons

What is ALUMINUM?

The number of NEUTRONS in the element Sodium

What is 12?

The charge of the ion when Calcium “gives away” its electrons from its outer shell

What is 2+?

The number of neutrons in Silicon if its Atomic Mass is 28

What is 14?

The Atomic Number of Boron

What is 5?

The number of electrons in Potassium (Chemical Symbol is K)

What is 19?

The elements with the maximum of electrons in their outer orbit

What is NOBLE GAS?

Atomic Mass of Oxygen

What is 16?

Dull or shiny

What is LUSTRE?

Ratio of mass to volume

What is DENSITY?

The measure of how easily a liquid flows

What is VISCOSITY?

Smell

What is ODOUR?

It is the resistance to being scratched or dented.

What is HARDNESS?