Periodic Table

Front

What is the ionic charge of Bromine (Br)?

Back

-1

Front

How many electrons does ionic Bromine have if its atomic number is 35?

Back

37

Front

Which element is NOT in Period 3 on the Periodic Table?

Back

Neon (Ne) is not in Period 3; it is in Period 2.

Front

Which element has the highest electronegativity?

Back

Fluorine (F) has the highest electronegativity.

Front

What is the definition of mass number?

Back

The mass number is the total number of protons and neutrons in an atom's nucleus.

Front

What is the mass number of an element with 30 protons and 29 neutrons?

Back

The mass number is 59.

Front

How many valence electrons does Strontium (Sr) have?

Back

Strontium (Sr) has 2 valence electrons.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

How does electronegativity affect chemical reactions?

Back

Electronegativity affects how atoms attract electrons in a bond, influencing the type of bond formed.