Atomic Theory Flashcards

1
Q

Smallest piece of an element that maintains the identity of that element

A

Atom

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2
Q

Atomic Theory by John Dalton

A

All atoms is composed of atoms
Atoms of the same element are the same vice versa
Atoms combine in whole-number ratios to form compounds

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3
Q

Subatomic particles

A

Proton
Electron
Neutron

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4
Q

Represented by “e-“ and has negative charge

A

Electron

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5
Q

Massive with a a positive charge

A

Proton

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6
Q

Same mass as protons but has no charge

A

Neutron

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7
Q

Mass of proton and neutron

A

1.6 x 10^-27

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8
Q

Mass of electrons

A

9.1 x 10^-31

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9
Q

Proposed a nuclear model of the atom

A

Ernest Rutherford

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10
Q

The number of protons is equal to the identity of an atom which also known as

A

Atomic Number

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11
Q

Periodic table gives information about their __________, which are determined based in the ________ of the electrons.

A

Properties and Location

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12
Q

How is the periodic table arranged?

A

Based on atomic numbers of the elements

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13
Q

The protons are in the ________ and the electrons are __________ the _________

A

Nucleus, Outside, Nucleus

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14
Q

It is the location of address of the electrons

A

Quantum numbers

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15
Q

Refer to different location on the periodic table and different orientations of the electrons in the atom

A

Quantum numbers

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16
Q

Theoretical basis of modern physics

A

Quantum theory

17
Q

Nature and behavior of matter and energy on the atomic and subatomic level

A

Quantum Theory

18
Q

What the maximum number of electrons of subshells: s,p,d,f

A

S - 2
P - 6
D - 10
F - 14

19
Q

Devised the periodic table of elements

A

Dmitri Mendeleev

20
Q

Rows

A

Periods

21
Q

Columns

A

Groups

22
Q

How is the periodic table arranged

A

Increasing atomic number

23
Q

Elements having the same ___________ are lined up in the same _________.

A

Properties, Column

24
Q

What are the properties of Group 1A

A

Soft metals, reacts violently with H2O and form +1 Charges

25
Q

What are the properties of Group 8A

A

Unreactive, Monoatomic gases at room temperature

26
Q

The arrangement of the electrons determines most of the chemical ___________ of an element

A

Behavior

27
Q

Have identical valence electron configuration and behave in a similar fashion

A

Group

28
Q

Indicates the number of orbitals for the elements in that row

A

Period