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Flashcards in Atomic Structure Deck (14)
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1
Q

Atomic number

A

The number of protons in the nucleus of an atom. The number of protons equals the number of electrons in a neutral atom

2
Q

Mass number

A

The sum of the number of protons and the number of neutrons in the nucleus of an atom.

3
Q

Number of neutrons

A

Mass number - Atomic number

4
Q

Isotope

A

Atoms of the same element with the same atomic number, but different mass numbers

5
Q

Isotope properties

A

Same chemical properties, different physical properties

6
Q

5 stages of the mass spectrometer

A

vaporization, ionization, acceleration, deflection, detection

7
Q

Relative atomic mass

A

The ratio of the average mass of one atom of an element to one-twelfth of the mass of an atom of carbon-12

8
Q

Calculate Relative atomic mass

A

Ar = (Ir × %)/100

9
Q

Energy Level

A

s,p,d,f

10
Q

Copper electron configuration

A

1s2,2s2,2p6,3s2,3p6,3d5,4s1

11
Q

Chromium

A

1s2, 2s2, 2p6, 3s2. 3p6, 3d10, 4s1

12
Q

How many electrons are in an orbital

A

2

13
Q

First ionization energy

A

The energy required to remove one electron from each atom in a mole of gaseous atoms.

14
Q

Representation of ionization energy

A

X(g) → X+ + e-