Module 2 Flashcards by hajira mukhtar

Q

What does an atom consist of?

A

Protons
Neutrons
Electrons

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the relative charge of a proton?

A

Positive

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the relative mass of a proton?

A

1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the relative charge of a neutron?

A

0

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the relative mass of a neutron?

A

1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the relative charge of an electron?

A

0.0005

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What makes an atom neutral?

A

The total positive charge from protons is cancelled by the total negative charge from electrons.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Definition of atomic number?

A

The number of protons in the nucleus of an atom.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Oxidation number of oxygen

A

-2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Oxidation number of Hydrogen

A

+1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Oxidation number of Fluorine

A

-1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Oxidation number of Na+,K+

A

+1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Oxidation number of Mg2+,Ca2+

A

+2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Oxidation number of Cl-,Br-,I-

A

-1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Oxidation number of Hydrogen in metal hydrides

A

-1

E.g. NaH,CaH2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Oxidation number of oxygen in peroxides

Study These Flashcards

A

-1

E.g. H202

Q

Oxidation number of oxygen bonded to fluorine?

Study These Flashcards

A

+2

Q

What is reduction?

Study These Flashcards

A

The gain of electrons.

Q

What is oxidation?

Study These Flashcards

A

The loss of electrons.

Q

What is reduction in terms of oxidation numbers?

Study These Flashcards

A

Decrease in oxidation number.

Q

What is oxidation in terms of oxidation numbers?

Study These Flashcards

A

Increase in oxidation number.