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Flashcards in Understanding electronic struture Deck (13):
1

What does the atomic number show ?

Number of protons

2

What does the atomic mass show ?

sum of the protons and neutrons in a atom

3

Charge of Protons, electrons, neutrons

+1, -1 , 0

4

Mass of electron

0.0005

5

Mass of proton

1

6

Mass of neutron

1

7

What is an ion ?

An atom that loss or gained an electron to get a full outer shell.

8

Metal and non metal

Metal loose electrons and non mental gain electrons

9

What does the group number tell you ?

The number of electrons in the outer shell.

10

What does the period show ?

The period (row) in which an element is found shows the
number of electron shells that it has.

11

Number of subshells

1st shell- 2 - 1s2

2nd shell -2s2 2p6 -8

3rd shell- 3s2 3p6 3d10

4th shell - 4s2 4p6 4d10 4f14

S -2 electrons

P - 6 electrons

D-10 electrons

F-14 electrons





12

What is equal ?

The number of protons is always equal to the number of electrons in the atomic number

13

how do you find the neutron ?

You minus atomic number by the mass number