Question

Moving from the element with atomic number 10 to atomic number 11 on the periodic table, there is a change in reactivity. In three to five sentences, identify the direction of the change, and give two reasons for the change.

I don’t understand

Answer 1

Answer:

isme changes iseliye hoge kyu jo 10 number h mtlb Ne=neon vo nobal gase h or kyuki uska occtade complete h to vo kisi k sath react nhi karega bond nhi bnayega .

.

.

par dushri taraf 11 mtlb Na = sodium .

jiske pas last shell m sirf 1 hi electron h to vo usko donate Krke + ion bna lega kyuki iska occtade complete nhi h ye reaction karega bond bnayega

Explanation:

hope it's help you .

jitna ho sakta tha maine samjhane ki koshish ki h or samjh na aye to ap mere se pucch sakte h ya sakti h .

Answer 2

Moving from the element with atomic number 10 to atomic number 11 the reactivity of elements is increases and the direction of change is from left to right

• In periodic table 10 is atomic number of Neon and 11 is atomic number of Sodium

• The number of electrons in outermost shell of Neon is 8 so that, Neon is a stable element. That's why neon never tend to react with other elements.
• Where, the number of electrons in outermost shell of Sodium is 1 and it is unstable element. To get stability Sodium will always ready to react with other elements.  
• From above lines we can conclude that Neon is less reactive than the Sodium.
• Because of the change in valency electrons the reactivity of elements in periodic table is increases from left to right
• Therefore, Moving from the element with atomic number 10 to atomic number 11 on the periodic table, reactivity of elements is increases because of increasing in valence electrons.
• The direction of the change is from left to right

#SPJ2