11-20 Words

Question 1

The basic unit of matter

Answer 1

Atom

Question 2

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

Answer 2

Proton

Question 3

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

Answer 3

Neutron

Question 4

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

Answer 4

Electron

Question 5

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

Answer 5

Molecule

Question 6

atoms of the same element with different numbers of neutrons.

Answer 6

Isotopes

Question 7

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

Answer 7

Chemical Bonding

Question 8

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

Answer 8

Chemical Reaction

Question 9

a positively or negatively charged atom.

Answer 9

Ion

Question 10

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

Answer 10

Element