Introduction

Question 1

are compact and have definite shape and volume

Answer 1

Solid

Question 2

is any substances that has mass and takes up space by having volume. it exist 3 states: solid, liquid, gasses

Answer 2

Matter

Question 3

have a definite volume and assume the shape of their container

Answer 3

Liquid

Question 4

have neither a definite shape or volume.

Answer 4

Gases

Question 5

building blocks of all forms of living
and nonliving matter

Answer 5

Chemical elements

Question 6

One or two letters of the element’s
n a m e in English, Latin, or another
l a n g u a g e .

Answer 6

Chemical symbols

Question 7

The smallest unit of matter that the retain properties and characteristics of the elements

Answer 7

Atoms

Question 8

are the basic composition of an atom

Answer 8

Subatomic particles

Question 9

Positively charge

Answer 9

Protons

Question 10

uncharge or neutral

Answer 10

neutrons

Question 11

negatively charge

Answer 11

electrons

Question 12

is an atom that has a positive or negative charge, because it has equal number of protons and electrons

Answer 12

IONS

Question 13

it is the resulting combination of two or more atoms that share electrons. Molecular formula indicates the elements and the number of atoms in each element that make up a blank

Answer 13

Molecule

Question 14

it is a substance that contains atoms of two or more different elements.

Answer 14

Compound

Question 15

is an atom or group of atoms with an unpaired electron on the outermost shell

Answer 15

Free Radical

Question 16

is the force of attraction that holds together ions with opposite charges

Answer 16

ionic bond

Question 17

are the forces that hold together the atoms of a molecule or a compound

Answer 17

chemical bonds

Question 18

positively charged ion

Answer 18

cation

Question 19

negatively charged ion

Answer 19

anion

Question 20

an ionic compound that breaks apart into positive and negative ions into solutions. Most ions in the body are dissolved in body fluids as blank.

Answer 20

Electrolyte

Question 21

two or more atoms share electrons rather than gaining or losing them

Answer 21

covalent bond

Question 22

forms when a hydrogen atoms with a partial positive charge attracts the partial negative charge of neighboring electronegative atoms, most often larger oxygen or nitrogen atoms

Answer 22

hydrogen bond

Question 23

occurs when new bonds form or old bonds break between atoms

Answer 23

Chemical Reaction

Question 24

Refers to all the chemical reactions occurring in the body

Answer 24

Metabolism

Question 25

is an atom that has a positive or negative charge because it has equal number of protons and electrons

Answer 25

Energy

Question 26

is a form of petential energy that is stored in the bonds of compounds and molecules

Answer 26

chemical energy

Question 27

is a substance that contains atoms of two or more different elements

Answer 27

activition energy

Question 28

two principal forms

Answer 28

1. potential Energy 2. kinetic energy

Question 29

energy stored by matter due to its position

Answer 29

Potential Energy

Question 30

the energy associated with matter in motion

Answer 30

kinetic energy

Question 31

are the chemical compounds taht speed up chemical reactions by lowering the activation energy needed fo a reaction to occur.

Answer 31

Catalyst

Question 32

collectively refers to all synthesis reactions that occur in your body

Answer 32

Anabolism

Question 33

collectively refers to the decomposition reactions that occur in your body

Answer 33

Catabolism

Question 34

the process of combination of two or more atoms, ions, or molecules to form new and larger molecules

Answer 34

sysnthesis reaction

Question 35

splits up large molecules into smaller atoms, ions, or molecules

Answer 35

Decomposition Reaction