Chem Vocab

Question 1

Energy

Answer 1

The ability to do work

Question 2

Kinetic energy

Answer 2

When energy is doing work

Question 3

Potential energy

Answer 3

Stored energy

Question 4

Chemical energy

Answer 4

Stored in bonds of chemical substances

Question 5

Electrical energy

Answer 5

Results from the movement of electrons

Question 6

Mechanical energy

Answer 6

Directly involved in moving matter

Question 7

Radiant energy

Answer 7

Travels in waves

Question 8

Elements

Answer 8

Substances that can not be broken down by ordinary means

Question 9

Atom

Answer 9

Building blocks of elements

Question 10

Proton

Answer 10

Subatomic particle with positive charge found in nucleus of atom

Question 11

Neutron

Answer 11

Subatomic particle with no charge found in the nucleus of atom

Question 12

Electron

Answer 12

Subatomic particle with negative charge

Question 13

Atomic number

Answer 13

Number equal to the number of protons in an atom

Question 14

Atomic mass number

Answer 14

Number equal to the protons and neutrons

Question 15

Isotopes

Answer 15

Atoms with different number of neutrons

Question 16

Radioactivity

Answer 16

The process of spontaneous atomic decay resulting in gamma ray

Question 17

Molecule

Answer 17

Two or more atoms chemically combined

Question 18

Compound

Answer 18

Two or more different atoms bonded together

Question 19

Chemical reaction

Answer 19

Chemical bonds are made or broken

Question 20

Rule of 8

Answer 20

Outer electron shell with 8 electrons

Question 21

Ionic bond

Answer 21

Bond form when electrons transferred from one atom to the other

Question 22

Ion

Answer 22

A charged particle with extra or missing electrons

Question 23

Anion

Answer 23

Negative charged ion

Question 24

Cation

Answer 24

Positive charged ion

Question 25

Covalent bond

Answer 25

A bond formed when electrons are shared between atoms

Question 26

Non polar covalent bond

Answer 26

Electrons are shared equally

Question 27

Polar covalent bond

Answer 27

Electrons are not shared equally

Question 28

Hydrogen bond

Answer 28

A weak bond formed between two polar molecules

Question 29

Synthesis reactions

Answer 29

A reaction that builds larger molecules from smaller and take energy

Question 30

Decomposition

Answer 30

Reaction that breaks down large molecules and release energy

Question 31

Organic compounds

Answer 31

Carbon containing compounds

Question 32

Inorganic compounds

Answer 32

Compounds that doesn't contain carbon p

Question 33

Acid

Answer 33

A solution that is less than 7ph

Question 34

Base

Answer 34

Solution more than 7 ph

Question 35

Neutral

Answer 35

Solution that is 7

Question 36

Matter

Answer 36

Anything that occupies space and has mass