11-20

Question 0

Proton

Answer 0

the positively charged particle found in the nucleus of an atom.

Question 1

Atom

Answer 1

the basic unit of matter.

Question 2

Neutron

Answer 2

the particle with no charge found in the nucleus of an atom.

Question 3

Electron

Answer 3

the negatively charged particle found outside the nucleus of an atom.

Question 4

Element

Answer 4

A pure substance that consists entirely of one type of atom.

Question 5

Molecule

Answer 5

A group of atoms bonded together forming the smallest fundamental unit of a pure substance.

Question 6

Isotopes

Answer 6

atoms of the same element with different numbers of neutrons.

Question 7

Chemical Bonding

Answer 7

an attraction between two or more atoms resulting in the formation of different chemical substances

Question 8

Chemical reaction

Answer 8

changes in chemical substances involving bond breaking and/or bond forming resulting in different chemical substances

Question 9

Ion

Answer 9

a positively or negatively charged atom.