Periodic Table - Who Am I?

Front

What element has 6 valence electrons, 4 energy levels, and is a nonmetal?

Back

Se (Selenium)

Front

Which element in Period 4 has the lowest mass?

Back

K (Potassium)

Front

What element has 26 protons, is in period 4, and is a transition metal?

Back

Fe (Iron)

Front

Which noble gas has a mass less than 30 amu and is not neon?

Back

He (Helium)

Front

What element in Period 4 is metallic and has 27 electrons?

Back

Co (Cobalt)

Front

What is the definition of a valence electron?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is the significance of the atomic number?

Back

The atomic number represents the number of protons in an atom and determines the element's identity.

Front

What are periods in the periodic table?

Back

Periods are the horizontal rows in the periodic table, indicating the number of energy levels in the atoms.

Front

What are groups in the periodic table?

Back

Groups are the vertical columns in the periodic table, indicating elements with similar chemical properties.

Front

What is a transition metal?

Back

Transition metals are elements found in groups 3-12 of the periodic table, known for their ability to form variable oxidation states.