Chapter 5- Structure Of Matter

Question 1

Chemical bon

Answer 1

A force holding atoms and ions together

Question 2

Chemical structure

Answer 2

Arrangement of atoms in substance

Question 3

Bong length

Answer 3

Distance between nuclei

Question 4

Bong angles

Answer 4

Tells how the atoms are placed

Question 5

Hydrogen bonds

Answer 5

An oxygen atom is attracted to a hydrogen atom an a different molecule

Question 6

Ionic bond

Answer 6

A bond formed between opposite charged ions

Question 7

Metallic bond

Answer 7

Formed between two positive charged metal ions and electrons surrounding them

Question 8

Covalent bond

Answer 8

Atoms share one or more pairs of electrons

Question 9

Polyatomic ion

Answer 9

Ion made of two or more atoms

Question 10

Formula unit

Answer 10

Na+ and Cl- make up NaCl(sodium chloride)

Question 11

Nonpolar covalent bond

Answer 11

Electrons are equally attracted to positive nucleus

Question 12

Polar covalent bond

Answer 12

Unequal sharing of electrons

Question 13

Empirical formula

Answer 13

Simplest formula, composition in terms of relative numbers and kinds of atoms in simplest ratio

Question 14

Molecular formula

Answer 14

Shows the number and kinds of atoms, but not the arrangement

Question 15

Organic compound

Answer 15

Contains carbon excluding carbonates and oxides.

Question 16

Polymer

Answer 16

Large molecules formed by five small units

Question 17

Carbohydrates

Answer 17

Sugar glucose

Question 18

Protein

Answer 18

Organic compound: carbon, hydrogen, and oxygen. This provides nutrients to cells

Question 19

Amino acid

Answer 19

One of 20

Question 20

Hydrocarbon

Answer 20

A molecule made of hydrogen and carbon atoms

Question 21

Alkane

Answer 21

More than one possible arrangement

Question 22

Alkene

Answer 22

Contains double carbon-carbon bonds

Question 23

DNA

Answer 23

Determines genetic makeup