4e- in cloud 4 protons 6 neutrons 1e-in cloud 1 proton 2 neutron Hydrogen-3 Trit

Question

4e- in cloud

4 protons
6 neutrons

1e-in cloud

1 proton
2 neutron

Hydrogen-3

Tritium

9e- in cloud

9 proton
11 neutron

This table needs to be completed. The first row (Beryllium) was done for us. Not sure if I am on the right track...

Atomic Representation PROTONS ELECTRONS NEUTRONS ATOMIC SYMBOL NAME

4e- in cloud

4 protons
6 neutrons

4 4 6 10/4Be Beryllium-10

1e-in cloud

1 proton
2 neutron

1 1 2 3He

Hydrogen-3

Tritium

-NA- 28 28 31 59/28Ni Nickel-59 7e- in cloud
7 proton
8 neutron
7 7 8 15/7N Nitrogen

9e- in cloud

9 proton
11 neutron

9 9 11 20/9F Fluorine

Explanation / Answer

Atommic representation ZXA

A- mass number

Z- atomic number

atomic number is equal to number proton.

In neutral atom number of proton is equal to number electron.

mass number = number of proton + number of neutron

Atomic

representation

ATOMIC

SYMBOL

4e- in cloud

4 protons
6 neutrons

1e-in cloud

1 proton
2 neutron

Hydrogen-3

tritium

28e- in cloud

28 proton

31 neutron

9e- in cloud

9 proton
11 neutron

Atomic

representation

PROTONS ELECTRRONS NEUTRONS

ATOMIC

SYMBOL

NAME

4e- in cloud

4 protons
6 neutrons

4 4 6 10/4Be Beryllium-10

1e-in cloud

1 proton
2 neutron

1 1 2 3/1T

Hydrogen-3

tritium

28e- in cloud

28 proton

31 neutron

28 28 31 59/28Ni Nickel-59 7e- in cloud
7 proton
8 neutron 7 7 8 15/7N Nitrogen-15

9e- in cloud

9 proton
11 neutron

9 9 11 20/9F fluorine-20

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