Chapter 16- Periodic Table

Question 0

NUCLEUS

Answer 0

The small positively charged center of an atom, contains protons and neutrons.

Question 1

Atom

Answer 1

The smallest particle of an element that still retains the properties of the element

Question 2

PROTON

Answer 2

Particle in the nucleus of an atom that has 1+ charge.

Question 3

Neutron

Answer 3

Particle in the nucleus of an atom that has no electric charge

Question 4

Electron

Answer 4

Particle with a charge of 1- that surrounds the nucleus of an atom

Question 5

Quark

Answer 5

Particle of matter that makes up protons and neutrons

Question 6

Electron cloud

Answer 6

Area around the nucleus of an atom where electrons are likely to be found

Question 7

Atomic number

Answer 7

Number of protons in an atoms nucleus

Question 8

Mass number

Answer 8

Sum of the number of protons and neutrons in an atoms nucleus

Question 9

Isotope

Answer 9

Atom of an element with a specific number of neutrons

Question 10

Average atomic mass

Answer 10

Weighted average mass of an elements isotopes according to their natural abundance

Question 11

Periodic table

Answer 11

Organized list of all known elements, arranged by increased atomic number and by changes in chemical and physical properties

Question 12

Period

Answer 12

Horizontal row in the periodic table

Question 13

Group

Answer 13

Vertical column in the periodic table

Question 14

Electron dot diagram

Answer 14

Uses chemical symbols for an element and dots representing the munger of electrons in the elements outer energy level