Atomic structure

Front

Proton is positively charged (+1).

Back

True

Front

Is a neutron negatively charged (-1)?

Back

False

Front

How is electron charged?

Back

-1

Front

Which numbers are added to give the mass number of an atom?

Back

number of protons + number of neutrons

Front

An aluminium atom has a nucleon number of 27 and a proton number of 13. How many neutrons does this aluminum atom contain?

Back

14

Front

Which two particles are isotopes? (read the table)

Back

W and Y

Front

What do the nuclei of ¹₁H hydrogen atoms contain?

Back

protons only

Front

What do the nuclei of ³⁷₁₇Cl chlorine atoms contain?

Back

17 protons and 20 neutrons

Front

Use the Periodic Table to help you name the element with an electronic configuration of 2, 8, 2.

Back

magnesium, Magnesium

Front

Use the Periodic Table to help you name the element.

the element with an electronic configuration of 2, 8, 7

Back

Chlorine