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question 9 of 10 elements in the same group of the periodic table have the same number of __ in their outer electron shell. what one

Question

Question 9 of 10 Elements in the same group of the periodic table have the same number of __ in their outer electron shell. What one word completes this sentence? square

Answer

4.3 (66 Votes)
Verificación de expertos
Ulysses Elite · Tutor for 8 years

Answer

Electrons

Explanation

## Step1:The periodic table is organized in such a way that elements in the same group (vertical columns) have the same number of electrons in their outermost energy level, also known as valence electrons. These valence electrons determine an element's chemical properties and reactivity.## Step2:The blank in the sentence "Elements in the same group of the periodic table have the same number of ______ in their outer electron shell." is referring to these valence electrons.