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Fill in the following chart with the appropriate subatomic particle and state wh

ID: 191184 • Letter: F

Question

Fill in the following chart with the appropriate subatomic particle and state whether each is located in the nucleus of the orbital

Particle

Charge

Location (Nucleus or Orbital)

Positive (+)

Negative (-)

Neutral Charge

Fill in the following chart using the lowercase letter of the statements below. Please be aware that some letters should be used more than once because they are true for more than one type of bond.

Covalent Bonds

Ionic Bonds

Hydrogen Bonds

Electrons are transferred from one atom to another atom

Valance electrons are shared between atoms

Involves positive and negative ions

A weak bond between 2 or more polar molecules

A bond between 2 or more atoms

The type of bond used to make NaCl (table salt)

The type of bond used to make CH4 (Methane)

What does it mean when a molecule is described as “polar?” Be detailed in your answer.

State and explain two reasons that water molecules are essential to life because of their hydrogen bonds.

Fill in the chart with the missing information about macromolecules

Macromolecule

Dietary source

Function

Example

Defining Characteristics

Carbohydrate

Cellulose and glucose

Lipid

Fats, Oils

Protein

Nucleic Acid

Sardines, beans, spinach

Made of nucleotides (contain a base, sugar and phosphate)

Particle

Charge

Location (Nucleus or Orbital)

Positive (+)

Negative (-)

Neutral Charge

Explanation / Answer

Particle

charge

location

Proton

positive

nucleus

electron

negative

orbit

neutron

neutral

nucleus

Covalent

ionic

hydrogen

Valance electrons are shared between atoms

Electrons are transferred from one atom to another atom

A weak bond between 2 or more polar molecules

The type of bond used to make CH4 (Methane)

Involves positive and negative ions

A bond between 2 or more atoms

The type of bond used to make NaCl (table salt)

What does it mean when a molecule is described as “polar?”

Polarity is defined as the separation of electric charge that creates a molecule or its chemical groups with an electric dipole or multi-pole moment.

State and explain two reasons that water molecules are essential to life because of their hydrogen bonds.

The unique properties conferred to water like high boiling point, high melting point, high heat of vaporization, high surface tension, and high heat capacity are due to hydrogen bonding. The high heat capacity conferred to water by hydrogen bonding enables it to change temperature slowly after gaining or losing energy. The high cohesion forces in water due to hydrogen bonding gives it the important characteristics.. These forces are important for transportation of water to plants. The Strong capillary force which includes both cohesion and adhesion is crucial to plants in the effective transport of water.

Macromolecule

Dietary source

Function

Example

Defining Characteristics

Carbohydrate

sweets, cookies, candy, table sugar, honey, soft drinks, breads, crackers, pastas

Immediate source of energy, structural components, component of coenzymes, backbone of the genetic molecule

Cellulose and glucose

Made of glucose, galactose, fructose, xylose, amino groups in amino sugars.

Lipid

Fats, Oils

Energy, storage of energy, components of membranes, precursors of hormones

Triacylglycerol, phospholipids, cholesterol

Made of glycerol and fatty acids, spingonine etc

Protein

·         Pulses, meat, Milk, Cheese, Yogurt, Egg,

·         Beans,

·         Pork Tenderloin.

·         Soy,

·         Lean Beef

Energy, structure, transport, storage, hormones

Hemoglobin, myoglobin, vasopressin, oxytocin, collagen

Made of amino acids

Nucleic Acid

Sardines, beans, spinach

Energy, genetic material, signal transduction

DNA/RNA

Made of nucleotides (contain a base, sugar and phosphate)

Particle

charge

location

Proton

positive

nucleus

electron

negative

orbit

neutron

neutral

nucleus

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