Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

How many valence electrons does Bromine (Br) have?

Back

7

Front

How many valence electrons does Hydrogen (H) have?

Back

1 Valence electron

Front

What is the electron dot diagram for an element?

Back

An electron dot diagram represents the valence electrons of an atom as dots around the element's symbol.

Front

How many valence electrons does Carbon (C) have?

Back

4

Front

Which element in group 18 has only 2 valence electrons?

Back

Helium (He) is stable with only 2 valence electrons.

Front

What is the significance of the periodic table in determining valence electrons?

Back

The periodic table organizes elements by their atomic number and groups, indicating the number of valence electrons based on their position.

Front

How many valence electrons does Neon (Ne) have?

Back

8 Valence electrons.

Front

What is the electron configuration for Carbon (C)?

Back

1s² 2s² 2p².

Front

How do you determine the number of valence electrons for main group elements?

Back

The number of valence electrons corresponds to the group number for main group elements (1-2 and 13-18) in the periodic table.