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An atom has 17 protons and 18 neutrons. Which symbol represents that atom, including its mass number?
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An atom has 17 protons and 18 neutrons.

Which symbol represents that atom, including its mass number?

User Eleuteron
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1 Answer

4 votes

Answer:

Cl

Step-by-step explanation:

cl has mass number 35 and its atomic number is 17 so number of proton =atomic number 17 and number of neutron is =mass number -number of proton =35-17 =18

User Alexander Sorokin
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