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Ions and oxidation states

Authored by Sarah Tuomey

Chemistry

10th - 12th Grade

Used 120+ times

Ions and oxidation states
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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many valence electrons are there in this atom?

-4

4

0

15

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

what OXIDATION STATE (charge) would this atom pictured have?

-4 or +4

4

-4

15

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the difference between a cation and anion?

Cations are the same as anions, there is no difference

Cations are single element ions, anions are compound ions

Cations are negative ions, anions are positive ions

Cations are positive ions, anions are negative ions

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

select all of the following elements or ions that have an oxidation state of -2

O-2

Chorine

Sodium

Beryllium

Bromine

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which column of elements on the periodic table has 3 valence electrons and an oxidation state of +3?

the third tall column from the right

the third tall column from the left

the third row down

the third row up

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

select all that is true about the elements in column 4?

they will lose or gain 4 more valence electrons

they have 4 valence electrons

they will always be anions

they can be anions or cations

they will always be cations

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the oxidation state of Sulfur?

2

3

-2

6

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