Chapter 2

Question 0

Explain why 2 atoms of hydrogen lead to combine into hydrogen gas.

Answer 0

Hydrogen gas is more stable than The same to hydrogen Atoms by themselves

Question 1

Discuss the electrical charges and relative mass of protons neutrons and electrons

Answer 1

Protons are positive
Neutrons are neutral
Electrons are negative
Protons and neutrons have the same mass electrons have less.

Question 2

Explain why polar and charged molecules tend to be soluble in water

Answer 2

Water is polar

Question 3

How is covalent bond different from ionic bond

Answer 3

Ionic bond is two oppositely charged ions, covalent bond is electrons sharing atoms.

Question 4

Compare and contrast potential and kinetic energy

Answer 4

Kinetic energy is in motion and potential energy is stored.

Question 5

Difference between saturated and unsaturated fat’s

Answer 5

Saturated fats have two hydrogen Atoms for every one carbon. Unsaturated fats have less than two for every one or more hydrogen atoms.

Question 6

Describe the process of dehydration synthesis

Answer 6

Smaller molecules called subunits are joined by covalent bonds

Question 7

Why does proteins have unlimited varies of shapes

Answer 7

Shave can change and presence of charged or polar molecules

Question 8

What’s the importance of enzymes in living organisms?

Answer 8

They help biological reactions occur