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The Atom > The Atom > Flashcards

The Atom Flashcards

1
Q

Isotopes

A

Atoms of the same element with different number of neutrons

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2
Q

Radioactive Isotopes

A

Less stable isotopes that have extra energy and more likely to decay

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3
Q

Nucleus

A

The center of an atom held together by nuclear force

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4
Q

Nuclear Chemistry

A

The study of changes to the nucleus atoms

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5
Q

Radioactivity

A

The emission of radiation

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6
Q

Radioactive Decay

A

Unstable nucleus emits radiation and losses energy

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7
Q

Half-Life

A

Time it takes for an atom to die

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8
Q

Alpha decay

A

The release of alpha particles

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9
Q

Whats another name for Alpha decay?

A

Alpha Raditation

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10
Q

Beta Decay

A

The release of a beta particle

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11
Q

What is another name for Beta Decay?

A

Beta Radiation

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12
Q

Gamma Radiation

A

Release of Gamma rays

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13
Q

Nuclear FISSION

A

The SPLITTING of a larger atom

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14
Q

Nuclear FUSION

A

COMBINING of 2 or more little atoms into a larger one

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15
Q

Nucleosynthesis

A

Formation of new elements through nuclear chemistry

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16
Q

Atomic Number

A

The number of protons in the nucleus of an atom

17
Q

Mass number

A

The sum of protons and neutrons in an atom’s nucleus

18
Q

Atomic Mass

A

The average mass of an atom of an element

19
Q

Isotope Notation

A

The representation of an isotope

20
Q

Ion

A

A charged atom

21
Q

Bohr Model

A

Depicting the arrangement of electrons in energy levels

22
Q

Atom

A

the smallest unit of an element

23
Q

Element

A

A pure substance that cannot be broken down

24
Q

Atomic Theory

A

Matter is made up of atoms

25
Q

Proton

A

Positive particle

26
Q

Neutron

A

A neutral particle

27
Q

Electrons

A

A negative particle

28
Q

Electric Cloud

A

space surrounding the nucleus with electrons

29
Q

Valence electrons

A

Electrons in the out most energy level of an atom

30
Q

Electromagnet Force

A

The force of attraction and repulsion between electrically charged particles

31
Q

Strong Nuclear Force

A

The force that holds the nucleus together

The Atom (1 decks)

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