Biochemistry Flashcards by Stephanie Choi

Q

Basic unit of matter

A

Atom

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Charged, different electrons

A

Ion

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Different neutrons and atomic mass

A

Isotope

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

CHONPS elements stand for:

A

Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Outer ring of electrons are called:

A

Valence electrons

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Ionic bond is ___
Molecules have a ___ charge

A

transferred

positive and negative

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Covalent bond is ___
Molecules have a ___ charge

A

shared

neutral (ex. NaCl or salt)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Electrons not equally shared between atoms makes water…

A

polar

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Partially negative charge

A

Oxygen

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Partially positive charge

A

Hydrogen

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

water sticking to ITSELF

A

Cohesion

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

water sticking to OTHER surfaces

A

Adhesion

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

surface tension is caused by ___

A

cohesion

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

capillary action is caused by ___

A

adhesion

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

A mixture is 2+ substances but NOT ___

A

NOT chemically combined

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Solution is a h__ mixture where a substance d…

A

homogenous, dissolves into another

Q

Solute is d__
Solvent is d__

A

dissolved
dissolving

Q

Suspension is a h__ mixture

A

heterogeneous

Q

Ionization of water causes…

A

Acids and bases

Q

OH— is called a h___ ion negative because…

A

Hydroxide ion, electron is kept

Q

H+ is called a h___ ion, positive because…

A

Hydrogen ion, electron is lost

Q

More H+ ions

A

Acids

Q

More OH— ions

A

Bases

Q

pH stands for:

A

power of Hydrogen

Keeps stable pH in our bodies

Buffers

scale 1-7

Acid

scale 7-14

Base

Atomic number is found by

the proton

Mass is found by ___ + ___

protons + neutrons

Valence electrons:

outer ring