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AS Unit 1 - Particles > Constituents of the atom > Flashcards

Constituents of the atom Flashcards

1
Q

Which particles can be found in the nucleus of the atom?

A

Protons and neutrons

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2
Q

What force holds the nucleus together?

A

The strong nuclear force

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3
Q

What is the charge of the Proton?

A

+1.6 x 10^-19 C

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4
Q

What is the mass of the proton?

A

1.67 x 10 ^-27 kg

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5
Q

What is the charge of the neutron?

A

0!

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6
Q

What is the mass of the neutron?

A

1.67 x 10^-27 kg.

This is the same as the Proton.

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7
Q

What is the charge of the electron?

A

-1.6 x 10^-19 C

This is the opposite of the proton.

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8
Q

What is the mass of the electron?

A

9.11 x 10^-31 kg

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9
Q

What does the nucleon number include?

A

Protons and neutrons

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10
Q

How do you calculate specific charge?

A

1) Calculate the actual mass and actual charge.
- Actual mass = relative mass x mass of particle
- Actual charge = relative charge x charge of particle

2) Divide actual charge by actual mass.

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11
Q

What is the specific charge of a none ionic atom?

A

0

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12
Q

How do you calculate the specific charge of an ion?

A

In an ion, an electron has been lost or gained, so you add or subtract the charge of an electron from 0.

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13
Q

What are the constituents of the atom?

A

Protons, neutrons and electrons

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14
Q

What is the relative mass of protons?

A

1

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15
Q

What is the relative mass of neutrons?

A

1

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16
Q

What is the relative mass of electrons?

A

0.0005

17
Q

What is the relative charge of protons?

A

+1

18
Q

What is the relative charge of electrons?

A

-1

19
Q

What is the relative charge of neutrons?

A

0

20
Q

What is the actual mass of protons?

A

1.67 x10-27 kg

21
Q

What is the actual mass of neutrons?

A

1.67 x10-27 kg

22
Q

What is the actual mass of electrons?

A

9.11 x10-31 kg

23
Q

What is the actual charge of protons?

A

+1.6 x10-19 C

24
Q

What is the actual charge of neutrons?

A

0

25
Q

What is the actual charge of electrons?

A

-1.6 x10-19 C

26
Q

What is an isotope?

A

Isotopes are atoms which have the same number of protons but different numbers of neutrons

27
Q

What is the proton number (Z) of an atom?

A

The number of protons they contain

28
Q

What is the nucleon number (A) of an atom?

A

The number of nucleons their nucleus contains ( nucleon number = number of protons + number of neutrons)

29
Q

How do you work out specific charge?

A

Specific charge ( Ckg-1 ) = Charge ( C ) / Mass ( kg )

30
Q

What is the quark structure of: K+

A

u, anti s

31
Q

K-

A

anti u, s

32
Q

K0

A

d, anti s

33
Q

Anti K0

A

anti d, s

34
Q

Pi+

A

u, anti d

35
Q

Pi-

A

anti u, d

36
Q

Pi 0

A

u, anti u.

37
Q

neutron

A

udd

38
Q

proton

A

uud

AS Unit 1 - Particles (6 decks)

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