UNIT 1 TERMS - 2

Question 1

Electron

Answer 1

A subatomic particle with a single negative electrical charge

Question 2

Neutron

Answer 2

A subatomic particle having no electrical charge

Question 3

Atomic Number

Answer 3

The number of protons in the nucleus of an atom, unique for each element and designated by subscript. (lower left)

Question 4

Atomic Mass

Answer 4

The total mass of an atom, which is the mass in grams of one mole of the atom (Upper Left)

Question 5

Isotope

Answer 5

One of several atomic forms of an element, each w the same number of protons but a different number of neutrons

Question 6

Ion

Answer 6

An atom or group of atoms that has gained or lost one or more electrons

Question 7

Anion And Cation

Answer 7

Anion (- Ion)

Cation (+ Ion)

Question 8

Monosaccharide

Answer 8

The simplest carbohydrate, active alone or serving as a monomer for disaccarides and polysaccharides.

Question 9

Lipid

Answer 9

Any of a group of large biological molecules, including fats, phospholipids, and steroids that mix poorly if at all with water

Question 10

Nucleic acid

Answer 10

A polymer (polynuceotide) consisting of many nucleotide monomers; serves as a blueprint for proteins, for all cellular activities. The two types are DNA and RNA