Chapter 16- Periodic Table Flashcards Preview

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Flashcards in Chapter 16- Periodic Table Deck (15):
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Atom

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

1

NUCLEUS

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

2

PROTON

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

3

Neutron

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

4

Electron

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

5

Quark

Particle of matter that makes up protons and neutrons

6

Electron cloud

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

7

Atomic number

Number of protons in an atoms nucleus

8

Mass number

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

9

Isotope

Atom of an element with a specific number of neutrons

10

Average atomic mass

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

11

Periodic table

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

12

Period

Horizontal row in the periodic table

13

Group

Vertical column in the periodic table

14

Electron dot diagram

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