How Many Valence Electrons Does Bromine (Br,atomic No

question 40

Multiple Choice

How many valence electrons does bromine (Br,atomic no.= 35) have?

• A)1
• B)7
• C)21
• D)28
• E)35

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Definitions:

Concrete-Operational Thought

A stage in cognitive development, as theorized by Piaget, where children can think logically about concrete events.

Symbolic Function

The ability to use symbols, signs, or objects to represent something that is not physically present.

Preoperational Thought

A stage in Jean Piaget's theory of cognitive development, occurring roughly between the ages of 2 and 7, characterized by symbolic thinking, egocentrism, and a lack of logical operations.

Scribbles

The early forms of drawing and writing by young children, typically consisting of random lines and marks.