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1st quarter > GENERAL CHEMISTRY > Flashcards

GENERAL CHEMISTRY Flashcards

1
Q

Anything that occupies space and has mass and volume.

A

Matter

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2
Q

The measure of an object’s resistance to change in motion.

A

Mass

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3
Q

The measure of the space occupied by something

A

Volume

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4
Q

It has a fixed shape and volume and it is incompressible

A

Solid

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5
Q

It has no fixed shape but has a fixed volume

A

Liquid

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6
Q

It has no fixed shape and volume

A

Gas

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7
Q

What theory is it that says all matter is made up of extremely small particles that are in constant motion?

A

Kinetic Molecular Theory

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8
Q

It can’t be broken down into simpler substances

A

Element

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9
Q

Hydrogen

A

Element

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10
Q

It can be two or more elements, a new set of properties, and can be separated by a chemical mean

A

Compound

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11
Q

Bronze

A

Compound

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12
Q

It is two or more substances that retain individual identities and can be separated by a physical mean

A

Mixture

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13
Q

It is a uniform composition

A

Homogeneous

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14
Q

Which among is homogeneous?

a. air, water, brewed coffee
b. H and He
c. salad
d. all of the above

A

A

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15
Q

It is not a uniform all throughout

A

Heterogeneous

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16
Q

What is an example of Heterogeneous?

A

Cereal Milk

17
Q

It depends on the amount of matter being measured

A

Extensive

18
Q

It did not depend on the amount of substance present

A

Intensive

19
Q

Which belongs to the following; volume, mass

A

Extensive

20
Q

Which belongs to the following; color, boiling point

A

Intensive

21
Q

can be determined without changing the substance’s chemical identity

A

Physical Properties

22
Q

can be determined by changing the substance’s chemical identity flammability, combustibility, toxicity

A

Chemical Properties

23
Q

Formulated a precise definition of the indivisible building blocks of matter

A

John Dalton

24
Q

he is a Greek philosopher and is the first to coin the term “atom” from the Greek word “atomos” (uncuttable or indivisible)

A

Democritus

25
Q

basic unit of an element that can enter into chemical combination

A

Atom

26
Q

The person who discovered Electron (-)

A

John Joseph “JJ” Thomson

27
Q

The person who discovered Proton (+)

A

Ernest Rutherford

28
Q

The person who discovered Neutron

A

James Chadwick

29
Q

number of protons
equal to the number of electrons in a neutral atom
ID number

A

Atomic Number

30
Q

total number of neutrons and protons

A

Mass Number

31
Q

aggregate of at least two atoms
held together by chemical bonds.
May contain atoms of the same elements or atoms of two or more elements (Water)

A

Atomic Number

32
Q

charged atom formed when electrons are gained or lost

A

Ions

33
Q

negatively charged atom; metals

A

Cation

34
Q

positively charged atom; non-metals

A

Anion

35
Q

What is matter?

A

Anything that occupies space and has volume and mass

1st quarter (4 decks)

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