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9 Weeks Test Science > Science 9 Weeks Test > Flashcards

Science 9 Weeks Test Flashcards

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0
Q

What part of a solution is in the largest amount

A

Solvent

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1
Q

A well mixed mixture with a solvent and solute

A

Solution

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2
Q

Which part is present in the smaller amount

A

Solute

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3
Q

Elements in the same group have the same # of

A

Valence electrons

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4
Q

What is solubility

A

How much solute can dissolve in a solvent at a given temperature

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5
Q

The ____ ____ of an element is the number of protons in the nucleus of an atom

A

Atomic number

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6
Q

The row of elements across the periodic table

A

Period

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7
Q

____ ____are those electrons that are held most loosely

A

Valence electrons

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8
Q

A mixture that has so much solute that no more can dissolve

A

Saturated

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9
Q

A ______ is two or more elements that are chemically bonded

A

Compound

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10
Q

In a solution, the ____ is dissolved by the ____

A

Solute, solvent

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11
Q

Protons and neutrons of an atom are located in the _____

A

Nucleus

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12
Q

The smallest unit of an element that has all the basic properties of an element is called an ____

A

Atom

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13
Q

What has no positive or negative charge

A

Nuetron

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14
Q

What is not a factor that affects the solubility of a substance

A

Location

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15
Q

What are the elements in the same column of the periodic table

A

Family

16
Q

How are elements represented on the periodic table

A

Symbols

17
Q

How is the periodic table organized

A

By atomic number

18
Q

What is the greatest number of valence electrons an atom can have

A

8

19
Q

What material attracts iron

A

A magnet

20
Q

Where on a magnet is the magnetic field the strongest

A

At the poles

21
Q

In a magnetized material, all or most of the magnetic domains are arranged in the same ____

A

Direction

22
Q

You can destroy a magnet by

A

Heating it

23
Q

Every million years or so, Earths magnetic field has

A

Reversed direction

24
Q

The region of Earths magnetic field shaped by solar wind is called

A

The magnetosphere

25
Q

The area of a magnetic force around a magnet is called the magnets

A

Magnetic field

9 Weeks Test Science (1 decks)

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