Periodic Table Flashcard

Front

Which property of the atom above accurately describes the reason it is placed in Period 2 of the Periodic Table?

Back

The energy levels

Front

Which property of the atom above accurately describes the reason it is placed in Group 2 of the Periodic Table?

Back

The valence electrons

Front

What part of the Periodic Table can be used to determine the number of electron energy levels present in an element?

Back

Period

Front

What part of the Periodic Table can be used to determine the number of valence electrons most likely present in an element?

Back

Group

Front

What part of the Periodic Table can be used to determine the number of protons present in an element?

Back

Atomic number

Front

Element with six valence electrons and four energy levels on the Periodic Table.

Back

Selenium

Front

Based on the placement on the Periodic Table, what element has two valence electrons and two energy levels?

Back

Beryllium

Front

Based on the placement on the Periodic Table, what set of elements have the same number of energy levels?

Back

Carbon, Nitrogen, and Oxygen

Front

Sample 3 would be best classified as a(n):
- alkali metal
- halogen
- noble gas
- transition metal

Back

noble gas

Front

Elements with no chemical reactivity and exist as gases at room temperature are part of the —

Back

noble gases