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Biology Test- Chemistry And Water > Water > Flashcards

Water Flashcards

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1
Q

What Is Cohesion?

A

Water Sticking to water

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2
Q

What is Adhesion?

A

Water sticking to other substances

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3
Q

What is Surface Tension?

A

Something not falling in water when standing on it
Ex.lizard running across water and not falling in.

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4
Q

What is Capillary Action?

A

the movement of a liquid through or along another material against an opposing force, such as gravity.
Ex. A plant getting its water from its roots.

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5
Q

What is High specific Heat capacity?

A

the specific heat capacity of a substance
Ex. A fish living in a pond because the temperature of the water stays the same the whole year(very little fluctuation in temp)

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6
Q

What is a Solvent

A

which is capable of dissolving one or several substances, thus creating a solution.
Ex. Water is a Solvent because it dissolves substances like salt.

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7
Q

What is a Solute

A

A substance that is dissolved in a solution
Ex. Salt is a Solute because it dissolves in liquid

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8
Q

What does hydrophobic mean?

A

It hates water

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9
Q

What does hydrophilic mean?

A

It loves water

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10
Q

What part of a water molecule is positive?

A

Hydrogen

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11
Q

What part of a water molecule is negative?

A

Oxagen

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12
Q

What is a molecule?

A

two or more atoms connected by chemical bonds or A group of atoms grouped together

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13
Q

Why is a water molecule polar?

A

A water molecule becomes polar when it has an unequal sharing of electrons between the atoms.

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14
Q

What is known as the Universal Solvent?

A

Water

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15
Q

What does a PH scale indicate?

A

How acidic something is

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16
Q

What is an acid?

A

An acid is something that is below seven on the PH scale

17
Q

What is a base?

A

A base is something that is above seven on the PH scale

18
Q

What is the basic unit of matter?

A

The basic unit of matter is an atom

19
Q

What is inside the Nucleus of an Atom?

A

Protons and Neutrons

20
Q

What is the charge and location of a proton?

A

The charge is positive and it is located inside the nucleus

21
Q

What is the charge and location of a neutron?

A

The charge is neutral and it is located inside the nucleus

22
Q

What is the charge and location of an electron?

A

The charge is negative and it’s located outside the nucleus

23
Q

What is an Element?

A

A substance that cannot be broken down into simpler substances by chemical means.
Ex. No matter how much you break down gold it’s still gon be gold.

24
Q

What does the Atomic number of a number represent?

A

It shows the amount of protons

25
Q

What does an element’s mass number represent?

A

The amount of protons and neutrons

26
Q

What are Isotopes?

A

atoms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei,

27
Q

What is a bond?

A

Bonds are what holds atoms in a compound together.

28
Q

What is a Covalent Bond?

A

Two atoms sharing an electron a covalent bond is strong

29
Q

What is a Hydrogen Bond?

A

A positive and negative connection a hydrogen bond is weak

30
Q

What is an Ion?

A

A charged particle (positive and negatively charged atoms )

31
Q

True or false An atom that loses electrons has a negative charge

A

True

32
Q

What is a Valence Electron?

A

The outermost shell on an atom

Biology Test- Chemistry And Water (1 decks)

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