Chem Test #2 Terms

Question 1

Atom

Answer 1

Smallest part of an element that has all of the elements properties
Basic building block of all matter

Question 2

Ion

Answer 2

Atom or group of atoms that has lost or gained electrons
Charged atoms
Positively or negatively charged atom

Question 3

Isotope

Answer 3

Variants of a particular chemical element which differ in neutron number

Question 4

Group (chemical family)

Answer 4

Classification of elements with certain shared physical and chemical properties

Question 5

Period

Answer 5

One of seven horizontal rows in the periodic table

Question 6

Ionic bond

Answer 6

a type of chemical bond that forms when one atom gives away electrons to another atom, resulting in positively and negatively charged ions that are attracted to each other

Question 7

Covalent bond

Answer 7

When atoms share electrons to stick together

Question 8

Ionic compound

Answer 8

a chemical compound formed by the attraction between positively and negatively charged ions.

Question 9

Molecular compound

Answer 9

a chemical compound composed of molecules formed by the sharing of electrons between atoms through covalent bonds. These compounds consist of nonmetal atoms bonded together