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Biology 101 > Intro to Biology Pt 2 > Flashcards

Intro to Biology Pt 2 Flashcards

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0
Q

What is bonding?

A

Sharing relationship between electrons & neighboring elements

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1
Q

What is the strongest, most stable bond?

A

Covalent bond

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2
Q

What are 3 types of chemical bonds?

A
  1. Covalent
  2. Ionic
  3. Hydrogen
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3
Q

What is the weakest bond?

A

Hydrogen Bond

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4
Q

What is a covalent bond?

A

Strongest bond. most stable. electron sharing. mutually beneficial relationship (like marriage)

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5
Q

What is matter?

A

Anything that has mass & takes up space.

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6
Q

What is mass?

A

The physical composition of a particle

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7
Q

What is mass not?

A

Mass is Not weight

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8
Q

What is weight?

A

Mass is = to Mass X Gravity

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9
Q

What are 4 states of matter?

A
  1. Solid
  2. Liquid
  3. Gas
  4. Plasma
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10
Q

How many states of matter are there?

A

4 (3 on earth)

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11
Q

Describe a solid

A

Rigid, low energy, defined shape & volume.

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12
Q

Describe a liquid

A

Fluid, moderate energy, defined volume, no shape.

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13
Q

Describe a gas

A

Disruptive, erratic, high energy, no defined volume or shape.

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14
Q

Describe plasma

A

Extremely high energy, observed in space in stars

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15
Q

What is sublimination?

A

When a solid is condensed directly to a gas skipping the liquid stage (dry ice)

16
Q

What is energy?

A

Ability to do work (heat, light, wave manipulation)

17
Q

What is potential energy?

A

Stored energy, potential to be used

18
Q

What is kinetic energy?

A

Energy in use

19
Q

What is an atom?

A

Smallest subunit of an element that maintains its physical properties

20
Q

What is an element?

A

Molecules with distinct characteristics & identities.

Substance that can not be broken down chemically into another substance.

21
Q

How many subatomic particles do atoms contain?

A

3

Electrons, Protons, Neutrons

22
Q

Name 3 subatomic particles.

A
  1. Electrons
  2. Protons
  3. Neutrons
23
Q

Do protons have a Positive or Negative charge?

A

Positive (+)

24
Q

Do Electrons have a positive or negative charge?

A

Negative (-)

25
Q

Do Neutrons have a positive or negative charge?

A

Neutral = Neutrality

Biology 101 (21 decks)

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