periodic table neutrons

periodic table neutrons

By Mrs CAMPOS

​the number of protons is the same as the number of electrons.

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​Some text here about the topic of discussion.

How do you know the number of protons, neutrons, and electrons in an atom?​

to find number of neutrons, 1 step you need to know the mass number and atomic number

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2 step rounding the mass and substract the atomic number​

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​numbers of neutrons​

Draw

13.999

Draw

5.3026

Multiple Choice

rounding 14.400

• 12

• 14

• 13

• 15

Multiple Choice

rounding 13.74

• 12

• 13

• 14

number of neutrons

​mass- atomic number =number of neutrons

Some text here about the topic of discussion

Multiple Choice

find the number of neutrons in Cromo

• 38

• 18

• 28

Multiple Choice

find the numbers of neutrons of oxygen

• 5

• 8

• 16