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physical science > the structure of matter- chelsea > Flashcards

the structure of matter- chelsea Flashcards

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0
Q

What is chemical structure?

A

How atoms are arranged in a substance

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1
Q

What is chemical bond?

A

The force that holds atoms and ions together.

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2
Q

What is bond length?

A

The average distance between the nucleus and the atoms

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3
Q

What is bond angle?

A

The angle that is made when two atoms bond.

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4
Q

What is hydrogen bond?

A

When oxygen atoms of a water molecule are attracted to the hydrogen atoms of another molecule.

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5
Q

What is ionic bond?

A

Ions with different charges are attracted and form a bond

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6
Q

What is metallic bond?

A

When positively charged metal ions are attracted to the electrons and they form a bond.

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7
Q

What is covalent bond?

A

This bond is formed when atoms share one or more pairs of electrons.

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8
Q

What is polyatomic ions?

A

An ion made of two or more atoms

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9
Q

What is formula unit?

A

Another way of saying how many protons or neutrons of an element a compound is made of

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10
Q

What is empirical formula?

A

The simplest form to tell us the while number ratio of atoms and there compounds

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11
Q

What is molecular formula?

A

Shows the number and kinds of atoms in molecule.

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12
Q

What are non polar covalent bonds?

A

Bonds formed and the electrons are shared equally.

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13
Q

What are polar covalent bonds?

A

When two different atoms are bonded and the electrons are shared unequally.

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14
Q

What is organic compound?

A

A covalent bonded compound made of different molecules.

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15
Q

What are polymers?

A

Large molecule formed by small units of atoms

16
Q

What are amino acids?

A

Made of carbon, hydrogon, oxygen, and nitrogen. They form proteins.

17
Q

What is carbohydrate?

A

Organic compound made of oxygen, hydrogen, carbon that provides nutrients for living things

18
Q

What is protein?

A

Made of more than one chain of amino acids and is component with all cells.

19
Q

What is amino acid?

A

Organic molecules that contains carboxyl and combine to form proteins

20
Q

What are Alkanes?

A

Hydrocarbon that have only single covalent bonds.

21
Q

What are Alkenes?

A

Hydrocarbons that have double carbon-carbon bonds

22
Q

What is DNA?

A

A polymer with a complex structure. Determines your genetic makeup

23
Q

What is a hydrocarbon?

A

A compound made of only carbon and hydrogen atoms

physical science (9 decks)

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