Ions & LDD Notes

Multiple Choice

Where are the protons?

• nucleus

• outer shell

Multiple Choice

Which is negative

• neutrons

• electrons

• protons

Multiple Choice

What is the mass of an atom with 7 P, 8 N, and 6 E?

• 14 amu

• 13 amu

• 15 amu

• 1 amu

• 2 amu

Multiple Choice

How many electrons does Pt have?

• 78

• 195-78

• 195+78

• 78+78

• 78-78

Multiple Choice

How many valence electrons does P have?

• 15

• 5

• unknown

• 7

• 8

Multiple Choice

How many valence electrons does Sr have?

• 1

• 2

• unknown

• 7

• 8

Categorize

Options (4)

negative

anion

postive

cation

Organize these options into the right categories

Lose Electrons

Gain Electrons

Multiple Choice

If an atom has 4 P, 5 N and 2 E, the element is...

• Be

• B

• Li

• He

Multiple Choice

If an atom has 4 P, 5 N and 2 E, the element is...

• positive

• negative

• neutral

Multiple Choice

4 P, 5 N and 2 E would give an ion...

• Be²⁺

• Be³⁺

• Be^2-

• Li⁺

• He

Multiple Choice

34 P, 36 E would be...

• Se²⁺

• Se^2-

• Kr^2-

• Kr²⁺

• Kr

Drag and Drop

Ca²⁺

has ​

Placeholder

protons

has ​

Placeholder

electrons

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20

18

38

2

22

Drag and Drop

As^3-

has ​

Placeholder

protons

has ​

Placeholder

electrons

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33

36

3

30

69

Drag and Drop

Cesium is in group ​

Placeholder

which means it has

Placeholder

valence electrons.

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12

11

6

2

1

Drag and Drop

Cesium will ​

Placeholder

which will create a​

Placeholder

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lose 1 electron

gain 7 electrons

cation

anion

Multiple Choice

Cesium's ion would be...

• Cs⁺

• Cs⁺¹

• Cs^-

• Cs^7-

• Cs⁷⁺

Multiple Choice

Nitrogen's ion would be...

• N^-

• N^-3

• N^3-

• N^5-

• N^-5