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Physical Science > Chapter 5 The Structure of Matter Megan Mayer > Flashcards

Chapter 5 The Structure of Matter Megan Mayer Flashcards

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0
Q

What is chemical structure?

A

The arrangement of atoms in a substance

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1
Q

What is a chemical bond?

A

The attractive force that holds atoms and ions together

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2
Q

What is a bond length?

A

The distance between the nuclei of two bonded atoms

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3
Q

What is bond angle?

A

A angle formed between two alike atoms

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4
Q

What is a hydrogen bond?

A

When one water molecule is attracted to another water molecule of a different element

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5
Q

What is a ionic bond?

A

An attraction formed by two oppositely charged ions

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6
Q

What is a metallic bond?

A

A bond formed by the attraction between positively charged metal ions and the electrons around them

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7
Q

What is a polyatomtic ion?

A

An ion made of two or more atoms?

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8
Q

What is a covalent ion?

A

A bond formed when atoms share one or more pairs of electrons

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9
Q

What is a formula unit?

A

One Na positive and one Cl negative make up a NaCl.

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10
Q

What is a nonpolar convent bond?

A

When electrons are shared equally

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11
Q

What is a polar covalent bond?

A

An unequal sharing of electrons

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12
Q

What is a empirical formula?

A

The composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio.

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13
Q

What is a molecular formula?

A

A chemical formula that shows the number and kinds of atoms in a molecule, but not the arrangement of atoms

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14
Q

What is a organic compound?

A

A covalently bonded compound that contains carbon, excluding carbonates and oxides

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15
Q

What is a polymer?

A

A large molecule that is formed than more than five monomers or small units

16
Q

What is carbohydrate?

A

Any organic compound that is made of carbon, hydrogen , and oxygen and that provides nutrients to the cells of living things

17
Q

What is protein?

A

Made up of more than one chains of amino acids and that is a principal component of all cells

18
Q

What is amino acid?

A

Any one of the 20 different organic molecules that contain a carboxylate and that combine to form proteins

19
Q

What is hydrocarbon?

A

An atom that is made only of carbon atoms and hydrogen atoms

20
Q

What is Aklene?

A

They have at least one double covalently bond

21
Q

What is alkane?

A

When the atoms don’t always line up in a row

22
Q

What is DNA?

A

It’s a polymer with a complex structure

Physical Science (10 decks)

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