Chem Flashcards

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1
Q

What are the properties of matter?

A

density, color, mass, volume, length, malleability, melting point, hardness, odor, temperature

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2
Q

What is a matter?

A

It occupies space has a composition, properties, structures and changes or reactions.

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3
Q

What is weight?

A

It is the measurement of properties of a matter.

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4
Q

What is a mass?

A

It is the quantity of matter.

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5
Q

What is liquid to gas?

A

It is Evaporation

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6
Q

What is liquid to solid?

A

It is Solid or Freezing

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7
Q

What is gas to liquid?

A

It is condensation

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8
Q

What is solid to gas?

A

It is Sublimation

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9
Q

What are compounds?

A

It is made of two or more elements.

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10
Q

In what way we can present an element?

A

By using symbols and numerals

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11
Q

What does the color black represents in the table of elements?

A

This means that those elements are metals

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12
Q

How about the red ones?

A

They are non metal elements

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13
Q

How about the blue ones?

A

They are gases.

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14
Q

What is an atomic number?

A

It is the number of atoms present in the elements.

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15
Q

What is chemical reactions?

A

A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another

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16
Q

what is the role of the elements in the whole process?

A

They serve as the reactants and products.

17
Q

What is a positive ion?

A

It loses an electron

18
Q

What is a negative Ion??

A

Negative ions gains an electron

19
Q

What is heterogeneous mixture ?

A

a mixture in which the composition is not uniform throughout the mixture.

20
Q

What is homogeneousmixtures ?

A

a mixture in which the composition is uniform throughout the mixture.

21
Q

What is a chemical mixture?

A

Made of two or more substances and combined chemically.

22
Q

Give some examples of physical properties of a mixture?

A

Color, density, volume and mass

23
Q

What is organic compounds ?

A

Carbon combined by elements such as hydrogen and oxygen

24
Q

What is inorganic compounds ?

A

Composed of elements other than carbon, such as carbon dioxide.

25
Q

Naming compounds

A

Name the metals first then change non metal with ide ir suffixes.

26
Q

what is binary compounds ?

A

chemical compounds comprising of two distinct elements. An element is a substance that cannot be further divided into any simpler substances using chemical methods. Hence sodium fluoride, magnesium oxide, and calcium chloride are all chemical elements.