200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Atomic Mass & Number Atomic Symbols Electrons Electron.

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Presentation transcript:

Atomic Mass & Number Atomic Symbols Electrons Electron Outer Shells Rows & Regions

What is the Atomic Number of Helium?

2

What is the Atomic Mass of Silicone?

28

How many neutrons does Calcium have?

20

How many electrons does Lead have?

82

How many neutrons does Potassium have?

20

What is the Atomic Symbol for Boron?

B

What is the Atomic Symbol for Tin?

Sn

What is the name of the element with the Atomic Symbol of Pb?

Lead

What is the element with the Atomic Symbol of Au?

Gold

How many Electrons does the element with Atomic Symbol of Rn have?

86

How many electrons does Ruthenium have?

44

How many electrons are in the 4 th energy level of Potassium?

1

How many energy levels (electron shells) does Berylium have?

2

How many energy levels does Chromium have?

4

How many electrons does Copper have?

29

How many electrons in the outer shell (valence level) of Hydrogen?

One

How many electrons can the first Valence level hold?

2

What is the maximum number of electrons in the second shell of any atom?

8

What is the name of the element that has 80 electrons?

Mercury

What is the maximum number of electrons that Helium can have at any one time?

Two

How many electrons in the element at the far right of row 2?

10

What type of elements are to the right of the stair-step division in the periodic table?

Nonmetals

What type of elements are in the far right column of the Periodic Table?

Noble Gasses

How many electrons are in the outer shell of the elements in the 2 nd column?

Two That is why they are in the second Column!

How many electrons are in the valence level of F, Cl, Br, I, and At?

7 They are in column 7A, therefore they have seven valence electrons.